Home / 27,565.20-38,040.60-14,989.92

Finding the Fourth Proportional to 27,565.20, 38,040.60 and 14,989.92

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Solution

The fourth proportional to 27,565.20, 38,040.60 and 14,989.92 is: 20,686.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,565.20 : 38,040.60 = 14,989.92 : x
  2. Step 2: Convert to fraction form
    27,565.20/38,040.60 = 14,989.92/x
  3. Step 3: Cross multiply
    27,565.20x = 38,040.60 × 14,989.92
  4. Step 4: Simplify right side
    27,565.20x = 570,225,550.75
  5. Step 5: Solve for x
    x = 570,225,550.75/27,565.20
  6. Step 6: Final answer
    x = 20,686.43

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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.