Home / 28,678.61-43,024.06-12,029.04

Finding the Fourth Proportional to 28,678.61, 43,024.06 and 12,029.04

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Solution

The fourth proportional to 28,678.61, 43,024.06 and 12,029.04 is: 18,046.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,678.61 : 43,024.06 = 12,029.04 : x
  2. Step 2: Convert to fraction form
    28,678.61/43,024.06 = 12,029.04/x
  3. Step 3: Cross multiply
    28,678.61x = 43,024.06 × 12,029.04
  4. Step 4: Simplify right side
    28,678.61x = 517,538,138.70
  5. Step 5: Solve for x
    x = 517,538,138.70/28,678.61
  6. Step 6: Final answer
    x = 18,046.14

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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.