Home / 25,347.39-34,967.76-16,397.78

Finding the Fourth Proportional to 25,347.39, 34,967.76 and 16,397.78

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Solution

The fourth proportional to 25,347.39, 34,967.76 and 16,397.78 is: 22,621.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,347.39 : 34,967.76 = 16,397.78 : x
  2. Step 2: Convert to fraction form
    25,347.39/34,967.76 = 16,397.78/x
  3. Step 3: Cross multiply
    25,347.39x = 34,967.76 × 16,397.78
  4. Step 4: Simplify right side
    25,347.39x = 573,393,460.73
  5. Step 5: Solve for x
    x = 573,393,460.73/25,347.39
  6. Step 6: Final answer
    x = 22,621.40

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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.