Home / 28,665.12-42,764.88-27,115.02

Finding the Fourth Proportional to 28,665.12, 42,764.88 and 27,115.02

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Solution

The fourth proportional to 28,665.12, 42,764.88 and 27,115.02 is: 40,452.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,665.12 : 42,764.88 = 27,115.02 : x
  2. Step 2: Convert to fraction form
    28,665.12/42,764.88 = 27,115.02/x
  3. Step 3: Cross multiply
    28,665.12x = 42,764.88 × 27,115.02
  4. Step 4: Simplify right side
    28,665.12x = 1,159,570,576.50
  5. Step 5: Solve for x
    x = 1,159,570,576.50/28,665.12
  6. Step 6: Final answer
    x = 40,452.32

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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.