Home / 28,253.40-42,380.37-8,532.12

Finding the Fourth Proportional to 28,253.40, 42,380.37 and 8,532.12

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Solution

The fourth proportional to 28,253.40, 42,380.37 and 8,532.12 is: 12,798.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,253.40 : 42,380.37 = 8,532.12 : x
  2. Step 2: Convert to fraction form
    28,253.40/42,380.37 = 8,532.12/x
  3. Step 3: Cross multiply
    28,253.40x = 42,380.37 × 8,532.12
  4. Step 4: Simplify right side
    28,253.40x = 361,594,402.48
  5. Step 5: Solve for x
    x = 361,594,402.48/28,253.40
  6. Step 6: Final answer
    x = 12,798.26

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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.