Home / 15,031.39-22,565.51-14,436.78

Finding the Fourth Proportional to 15,031.39, 22,565.51 and 14,436.78

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Solution

The fourth proportional to 15,031.39, 22,565.51 and 14,436.78 is: 21,672.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,031.39 : 22,565.51 = 14,436.78 : x
  2. Step 2: Convert to fraction form
    15,031.39/22,565.51 = 14,436.78/x
  3. Step 3: Cross multiply
    15,031.39x = 22,565.51 × 14,436.78
  4. Step 4: Simplify right side
    15,031.39x = 325,773,368.33
  5. Step 5: Solve for x
    x = 325,773,368.33/15,031.39
  6. Step 6: Final answer
    x = 21,672.87

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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.