Home / 25,290.72-34,901.28-14,680.80

Finding the Fourth Proportional to 25,290.72, 34,901.28 and 14,680.80

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Solution

The fourth proportional to 25,290.72, 34,901.28 and 14,680.80 is: 20,259.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,290.72 : 34,901.28 = 14,680.80 : x
  2. Step 2: Convert to fraction form
    25,290.72/34,901.28 = 14,680.80/x
  3. Step 3: Cross multiply
    25,290.72x = 34,901.28 × 14,680.80
  4. Step 4: Simplify right side
    25,290.72x = 512,378,711.42
  5. Step 5: Solve for x
    x = 512,378,711.42/25,290.72
  6. Step 6: Final answer
    x = 20,259.55

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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.