Home / 28,146.91-42,176.61-10,607.17

Finding the Fourth Proportional to 28,146.91, 42,176.61 and 10,607.17

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Solution

The fourth proportional to 28,146.91, 42,176.61 and 10,607.17 is: 15,894.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,146.91 : 42,176.61 = 10,607.17 : x
  2. Step 2: Convert to fraction form
    28,146.91/42,176.61 = 10,607.17/x
  3. Step 3: Cross multiply
    28,146.91x = 42,176.61 × 10,607.17
  4. Step 4: Simplify right side
    28,146.91x = 447,374,472.29
  5. Step 5: Solve for x
    x = 447,374,472.29/28,146.91
  6. Step 6: Final answer
    x = 15,894.27

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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.