Home / 27,565.13-38,038.98-15,464.88

Finding the Fourth Proportional to 27,565.13, 38,038.98 and 15,464.88

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Solution

The fourth proportional to 27,565.13, 38,038.98 and 15,464.88 is: 21,341.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,565.13 : 38,038.98 = 15,464.88 : x
  2. Step 2: Convert to fraction form
    27,565.13/38,038.98 = 15,464.88/x
  3. Step 3: Cross multiply
    27,565.13x = 38,038.98 × 15,464.88
  4. Step 4: Simplify right side
    27,565.13x = 588,268,261.02
  5. Step 5: Solve for x
    x = 588,268,261.02/27,565.13
  6. Step 6: Final answer
    x = 21,341.03

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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.