Home / 28,116.40-42,192.12-10,583.92

Finding the Fourth Proportional to 28,116.40, 42,192.12 and 10,583.92

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Solution

The fourth proportional to 28,116.40, 42,192.12 and 10,583.92 is: 15,882.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,116.40 : 42,192.12 = 10,583.92 : x
  2. Step 2: Convert to fraction form
    28,116.40/42,192.12 = 10,583.92/x
  3. Step 3: Cross multiply
    28,116.40x = 42,192.12 × 10,583.92
  4. Step 4: Simplify right side
    28,116.40x = 446,558,022.71
  5. Step 5: Solve for x
    x = 446,558,022.71/28,116.40
  6. Step 6: Final answer
    x = 15,882.48

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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.