Home / 28,253.57-42,380.69-8,532.32

Finding the Fourth Proportional to 28,253.57, 42,380.69 and 8,532.32

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Solution

The fourth proportional to 28,253.57, 42,380.69 and 8,532.32 is: 12,798.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,253.57 : 42,380.69 = 8,532.32 : x
  2. Step 2: Convert to fraction form
    28,253.57/42,380.69 = 8,532.32/x
  3. Step 3: Cross multiply
    28,253.57x = 42,380.69 × 8,532.32
  4. Step 4: Simplify right side
    28,253.57x = 361,605,354.34
  5. Step 5: Solve for x
    x = 361,605,354.34/28,253.57
  6. Step 6: Final answer
    x = 12,798.57

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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.