Home / 42,265.86-63,395.12-25,621

Finding the Fourth Proportional to 42,265.86, 63,395.12 and 25,621

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Solution

The fourth proportional to 42,265.86, 63,395.12 and 25,621 is: 38,429.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,265.86 : 63,395.12 = 25,621 : x
  2. Step 2: Convert to fraction form
    42,265.86/63,395.12 = 25,621/x
  3. Step 3: Cross multiply
    42,265.86x = 63,395.12 × 25,621
  4. Step 4: Simplify right side
    42,265.86x = 1,624,246,369.52
  5. Step 5: Solve for x
    x = 1,624,246,369.52/42,265.86
  6. Step 6: Final answer
    x = 38,429.28

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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.