Home / 21,543.20-32,259.38-13,197.92

Finding the Fourth Proportional to 21,543.20, 32,259.38 and 13,197.92

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Solution

The fourth proportional to 21,543.20, 32,259.38 and 13,197.92 is: 19,762.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,543.20 : 32,259.38 = 13,197.92 : x
  2. Step 2: Convert to fraction form
    21,543.20/32,259.38 = 13,197.92/x
  3. Step 3: Cross multiply
    21,543.20x = 32,259.38 × 13,197.92
  4. Step 4: Simplify right side
    21,543.20x = 425,756,716.49
  5. Step 5: Solve for x
    x = 425,756,716.49/21,543.20
  6. Step 6: Final answer
    x = 19,762.93

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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.