Home / 21,412.24-32,125.20-10,319.92

Finding the Fourth Proportional to 21,412.24, 32,125.20 and 10,319.92

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Solution

The fourth proportional to 21,412.24, 32,125.20 and 10,319.92 is: 15,483.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,412.24 : 32,125.20 = 10,319.92 : x
  2. Step 2: Convert to fraction form
    21,412.24/32,125.20 = 10,319.92/x
  3. Step 3: Cross multiply
    21,412.24x = 32,125.20 × 10,319.92
  4. Step 4: Simplify right side
    21,412.24x = 331,529,493.98
  5. Step 5: Solve for x
    x = 331,529,493.98/21,412.24
  6. Step 6: Final answer
    x = 15,483.18

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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.