Home / 28,851.92-43,273.55-9,127.91

Finding the Fourth Proportional to 28,851.92, 43,273.55 and 9,127.91

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Solution

The fourth proportional to 28,851.92, 43,273.55 and 9,127.91 is: 13,690.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,851.92 : 43,273.55 = 9,127.91 : x
  2. Step 2: Convert to fraction form
    28,851.92/43,273.55 = 9,127.91/x
  3. Step 3: Cross multiply
    28,851.92x = 43,273.55 × 9,127.91
  4. Step 4: Simplify right side
    28,851.92x = 394,997,132.32
  5. Step 5: Solve for x
    x = 394,997,132.32/28,851.92
  6. Step 6: Final answer
    x = 13,690.50

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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.