Home / 20,359.90-30,543.48-10,496.52

Finding the Fourth Proportional to 20,359.90, 30,543.48 and 10,496.52

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Solution

The fourth proportional to 20,359.90, 30,543.48 and 10,496.52 is: 15,746.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,359.90 : 30,543.48 = 10,496.52 : x
  2. Step 2: Convert to fraction form
    20,359.90/30,543.48 = 10,496.52/x
  3. Step 3: Cross multiply
    20,359.90x = 30,543.48 × 10,496.52
  4. Step 4: Simplify right side
    20,359.90x = 320,600,248.69
  5. Step 5: Solve for x
    x = 320,600,248.69/20,359.90
  6. Step 6: Final answer
    x = 15,746.65

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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.