Home / 37,621.92-56,419.80-15,429

Finding the Fourth Proportional to 37,621.92, 56,419.80 and 15,429

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Solution

The fourth proportional to 37,621.92, 56,419.80 and 15,429 is: 23,138.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,621.92 : 56,419.80 = 15,429 : x
  2. Step 2: Convert to fraction form
    37,621.92/56,419.80 = 15,429/x
  3. Step 3: Cross multiply
    37,621.92x = 56,419.80 × 15,429
  4. Step 4: Simplify right side
    37,621.92x = 870,501,094.20
  5. Step 5: Solve for x
    x = 870,501,094.20/37,621.92
  6. Step 6: Final answer
    x = 23,138.14

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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.