Home / 19,572.40-29,350.38-6,417.52

Finding the Fourth Proportional to 19,572.40, 29,350.38 and 6,417.52

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Solution

The fourth proportional to 19,572.40, 29,350.38 and 6,417.52 is: 9,623.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.40 : 29,350.38 = 6,417.52 : x
  2. Step 2: Convert to fraction form
    19,572.40/29,350.38 = 6,417.52/x
  3. Step 3: Cross multiply
    19,572.40x = 29,350.38 × 6,417.52
  4. Step 4: Simplify right side
    19,572.40x = 188,356,650.66
  5. Step 5: Solve for x
    x = 188,356,650.66/19,572.40
  6. Step 6: Final answer
    x = 9,623.58

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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.