Home / 28,197.13-42,298.55-10,432.48

Finding the Fourth Proportional to 28,197.13, 42,298.55 and 10,432.48

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Solution

The fourth proportional to 28,197.13, 42,298.55 and 10,432.48 is: 15,649.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,197.13 : 42,298.55 = 10,432.48 : x
  2. Step 2: Convert to fraction form
    28,197.13/42,298.55 = 10,432.48/x
  3. Step 3: Cross multiply
    28,197.13x = 42,298.55 × 10,432.48
  4. Step 4: Simplify right side
    28,197.13x = 441,278,513.25
  5. Step 5: Solve for x
    x = 441,278,513.25/28,197.13
  6. Step 6: Final answer
    x = 15,649.77

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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.