Home / 31,154.28-42,994.08-17,726.76

Finding the Fourth Proportional to 31,154.28, 42,994.08 and 17,726.76

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Solution

The fourth proportional to 31,154.28, 42,994.08 and 17,726.76 is: 24,463.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,154.28 : 42,994.08 = 17,726.76 : x
  2. Step 2: Convert to fraction form
    31,154.28/42,994.08 = 17,726.76/x
  3. Step 3: Cross multiply
    31,154.28x = 42,994.08 × 17,726.76
  4. Step 4: Simplify right side
    31,154.28x = 762,145,737.58
  5. Step 5: Solve for x
    x = 762,145,737.58/31,154.28
  6. Step 6: Final answer
    x = 24,463.60

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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.