Home / 28,663.12-42,761.90-27,113.02

Finding the Fourth Proportional to 28,663.12, 42,761.90 and 27,113.02

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Solution

The fourth proportional to 28,663.12, 42,761.90 and 27,113.02 is: 40,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,663.12 : 42,761.90 = 27,113.02 : x
  2. Step 2: Convert to fraction form
    28,663.12/42,761.90 = 27,113.02/x
  3. Step 3: Cross multiply
    28,663.12x = 42,761.90 × 27,113.02
  4. Step 4: Simplify right side
    28,663.12x = 1,159,404,249.94
  5. Step 5: Solve for x
    x = 1,159,404,249.94/28,663.12
  6. Step 6: Final answer
    x = 40,449.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.