Home / 28,079.04-42,122.72-9,352.96

Finding the Fourth Proportional to 28,079.04, 42,122.72 and 9,352.96

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Solution

The fourth proportional to 28,079.04, 42,122.72 and 9,352.96 is: 14,030.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,079.04 : 42,122.72 = 9,352.96 : x
  2. Step 2: Convert to fraction form
    28,079.04/42,122.72 = 9,352.96/x
  3. Step 3: Cross multiply
    28,079.04x = 42,122.72 × 9,352.96
  4. Step 4: Simplify right side
    28,079.04x = 393,972,115.25
  5. Step 5: Solve for x
    x = 393,972,115.25/28,079.04
  6. Step 6: Final answer
    x = 14,030.83

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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.