Home / 29,304.58-40,440.27-15,876.17

Finding the Fourth Proportional to 29,304.58, 40,440.27 and 15,876.17

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Solution

The fourth proportional to 29,304.58, 40,440.27 and 15,876.17 is: 21,909.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,304.58 : 40,440.27 = 15,876.17 : x
  2. Step 2: Convert to fraction form
    29,304.58/40,440.27 = 15,876.17/x
  3. Step 3: Cross multiply
    29,304.58x = 40,440.27 × 15,876.17
  4. Step 4: Simplify right side
    29,304.58x = 642,036,672.70
  5. Step 5: Solve for x
    x = 642,036,672.70/29,304.58
  6. Step 6: Final answer
    x = 21,909.09

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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.