Home / 28,200.90-42,304.18-10,436.24

Finding the Fourth Proportional to 28,200.90, 42,304.18 and 10,436.24

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Solution

The fourth proportional to 28,200.90, 42,304.18 and 10,436.24 is: 15,655.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,200.90 : 42,304.18 = 10,436.24 : x
  2. Step 2: Convert to fraction form
    28,200.90/42,304.18 = 10,436.24/x
  3. Step 3: Cross multiply
    28,200.90x = 42,304.18 × 10,436.24
  4. Step 4: Simplify right side
    28,200.90x = 441,496,575.48
  5. Step 5: Solve for x
    x = 441,496,575.48/28,200.90
  6. Step 6: Final answer
    x = 15,655.41

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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.