Home / 28,493.70-42,740.55-27,132.90

Finding the Fourth Proportional to 28,493.70, 42,740.55 and 27,132.90

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Solution

The fourth proportional to 28,493.70, 42,740.55 and 27,132.90 is: 40,699.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,493.70 : 42,740.55 = 27,132.90 : x
  2. Step 2: Convert to fraction form
    28,493.70/42,740.55 = 27,132.90/x
  3. Step 3: Cross multiply
    28,493.70x = 42,740.55 × 27,132.90
  4. Step 4: Simplify right side
    28,493.70x = 1,159,675,069.10
  5. Step 5: Solve for x
    x = 1,159,675,069.10/28,493.70
  6. Step 6: Final answer
    x = 40,699.35

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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.