Home / 27,565.89-38,040.72-14,990.64

Finding the Fourth Proportional to 27,565.89, 38,040.72 and 14,990.64

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Solution

The fourth proportional to 27,565.89, 38,040.72 and 14,990.64 is: 20,686.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,565.89 : 38,040.72 = 14,990.64 : x
  2. Step 2: Convert to fraction form
    27,565.89/38,040.72 = 14,990.64/x
  3. Step 3: Cross multiply
    27,565.89x = 38,040.72 × 14,990.64
  4. Step 4: Simplify right side
    27,565.89x = 570,254,738.86
  5. Step 5: Solve for x
    x = 570,254,738.86/27,565.89
  6. Step 6: Final answer
    x = 20,686.97

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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.