Home / 28,321.26-42,482.52-10,308.90

Finding the Fourth Proportional to 28,321.26, 42,482.52 and 10,308.90

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Solution

The fourth proportional to 28,321.26, 42,482.52 and 10,308.90 is: 15,463.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,321.26 : 42,482.52 = 10,308.90 : x
  2. Step 2: Convert to fraction form
    28,321.26/42,482.52 = 10,308.90/x
  3. Step 3: Cross multiply
    28,321.26x = 42,482.52 × 10,308.90
  4. Step 4: Simplify right side
    28,321.26x = 437,948,050.43
  5. Step 5: Solve for x
    x = 437,948,050.43/28,321.26
  6. Step 6: Final answer
    x = 15,463.58

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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.