Home / 29,147.60-43,721.40-15,294.80

Finding the Fourth Proportional to 29,147.60, 43,721.40 and 15,294.80

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Solution

The fourth proportional to 29,147.60, 43,721.40 and 15,294.80 is: 22,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,147.60 : 43,721.40 = 15,294.80 : x
  2. Step 2: Convert to fraction form
    29,147.60/43,721.40 = 15,294.80/x
  3. Step 3: Cross multiply
    29,147.60x = 43,721.40 × 15,294.80
  4. Step 4: Simplify right side
    29,147.60x = 668,710,068.72
  5. Step 5: Solve for x
    x = 668,710,068.72/29,147.60
  6. Step 6: Final answer
    x = 22,942.20

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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.