Home / 28,423.68-39,224.10-16,488.18

Finding the Fourth Proportional to 28,423.68, 39,224.10 and 16,488.18

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Solution

The fourth proportional to 28,423.68, 39,224.10 and 16,488.18 is: 22,753.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,423.68 : 39,224.10 = 16,488.18 : x
  2. Step 2: Convert to fraction form
    28,423.68/39,224.10 = 16,488.18/x
  3. Step 3: Cross multiply
    28,423.68x = 39,224.10 × 16,488.18
  4. Step 4: Simplify right side
    28,423.68x = 646,734,021.14
  5. Step 5: Solve for x
    x = 646,734,021.14/28,423.68
  6. Step 6: Final answer
    x = 22,753.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.