Home / 28,502.38-42,762.22-15,173.10

Finding the Fourth Proportional to 28,502.38, 42,762.22 and 15,173.10

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Solution

The fourth proportional to 28,502.38, 42,762.22 and 15,173.10 is: 22,764.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,502.38 : 42,762.22 = 15,173.10 : x
  2. Step 2: Convert to fraction form
    28,502.38/42,762.22 = 15,173.10/x
  3. Step 3: Cross multiply
    28,502.38x = 42,762.22 × 15,173.10
  4. Step 4: Simplify right side
    28,502.38x = 648,835,440.28
  5. Step 5: Solve for x
    x = 648,835,440.28/28,502.38
  6. Step 6: Final answer
    x = 22,764.25

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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.