Home / 28,127.39-42,191.06-11,484.47

Finding the Fourth Proportional to 28,127.39, 42,191.06 and 11,484.47

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Solution

The fourth proportional to 28,127.39, 42,191.06 and 11,484.47 is: 17,226.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,127.39 : 42,191.06 = 11,484.47 : x
  2. Step 2: Convert to fraction form
    28,127.39/42,191.06 = 11,484.47/x
  3. Step 3: Cross multiply
    28,127.39x = 42,191.06 × 11,484.47
  4. Step 4: Simplify right side
    28,127.39x = 484,541,694.46
  5. Step 5: Solve for x
    x = 484,541,694.46/28,127.39
  6. Step 6: Final answer
    x = 17,226.69

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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.