Home / 28,184.61-42,277.68-8,463.17

Finding the Fourth Proportional to 28,184.61, 42,277.68 and 8,463.17

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Solution

The fourth proportional to 28,184.61, 42,277.68 and 8,463.17 is: 12,694.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,184.61 : 42,277.68 = 8,463.17 : x
  2. Step 2: Convert to fraction form
    28,184.61/42,277.68 = 8,463.17/x
  3. Step 3: Cross multiply
    28,184.61x = 42,277.68 × 8,463.17
  4. Step 4: Simplify right side
    28,184.61x = 357,802,981.66
  5. Step 5: Solve for x
    x = 357,802,981.66/28,184.61
  6. Step 6: Final answer
    x = 12,694.98

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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.