Home / 27,565.60-38,040.04-14,990.28

Finding the Fourth Proportional to 27,565.60, 38,040.04 and 14,990.28

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Solution

The fourth proportional to 27,565.60, 38,040.04 and 14,990.28 is: 20,686.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,565.60 : 38,040.04 = 14,990.28 : x
  2. Step 2: Convert to fraction form
    27,565.60/38,040.04 = 14,990.28/x
  3. Step 3: Cross multiply
    27,565.60x = 38,040.04 × 14,990.28
  4. Step 4: Simplify right side
    27,565.60x = 570,230,850.81
  5. Step 5: Solve for x
    x = 570,230,850.81/27,565.60
  6. Step 6: Final answer
    x = 20,686.32

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.