Home / 25,499.32-38,167.08-13,623.40

Finding the Fourth Proportional to 25,499.32, 38,167.08 and 13,623.40

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Solution

The fourth proportional to 25,499.32, 38,167.08 and 13,623.40 is: 20,391.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,499.32 : 38,167.08 = 13,623.40 : x
  2. Step 2: Convert to fraction form
    25,499.32/38,167.08 = 13,623.40/x
  3. Step 3: Cross multiply
    25,499.32x = 38,167.08 × 13,623.40
  4. Step 4: Simplify right side
    25,499.32x = 519,965,397.67
  5. Step 5: Solve for x
    x = 519,965,397.67/25,499.32
  6. Step 6: Final answer
    x = 20,391.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.