Home / 21,666.68-32,510.33-15,013.43

Finding the Fourth Proportional to 21,666.68, 32,510.33 and 15,013.43

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Solution

The fourth proportional to 21,666.68, 32,510.33 and 15,013.43 is: 22,527.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,666.68 : 32,510.33 = 15,013.43 : x
  2. Step 2: Convert to fraction form
    21,666.68/32,510.33 = 15,013.43/x
  3. Step 3: Cross multiply
    21,666.68x = 32,510.33 × 15,013.43
  4. Step 4: Simplify right side
    21,666.68x = 488,091,682.54
  5. Step 5: Solve for x
    x = 488,091,682.54/21,666.68
  6. Step 6: Final answer
    x = 22,527.30

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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.