Home / 28,253.10-42,363-10,724.16

Finding the Fourth Proportional to 28,253.10, 42,363 and 10,724.16

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Solution

The fourth proportional to 28,253.10, 42,363 and 10,724.16 is: 16,079.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,253.10 : 42,363 = 10,724.16 : x
  2. Step 2: Convert to fraction form
    28,253.10/42,363 = 10,724.16/x
  3. Step 3: Cross multiply
    28,253.10x = 42,363 × 10,724.16
  4. Step 4: Simplify right side
    28,253.10x = 454,307,590.08
  5. Step 5: Solve for x
    x = 454,307,590.08/28,253.10
  6. Step 6: Final answer
    x = 16,079.92

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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.