Home / 26,358.18-39,532.71-12,319.47

Finding the Fourth Proportional to 26,358.18, 39,532.71 and 12,319.47

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Solution

The fourth proportional to 26,358.18, 39,532.71 and 12,319.47 is: 18,477.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,358.18 : 39,532.71 = 12,319.47 : x
  2. Step 2: Convert to fraction form
    26,358.18/39,532.71 = 12,319.47/x
  3. Step 3: Cross multiply
    26,358.18x = 39,532.71 × 12,319.47
  4. Step 4: Simplify right side
    26,358.18x = 487,022,034.86
  5. Step 5: Solve for x
    x = 487,022,034.86/26,358.18
  6. Step 6: Final answer
    x = 18,477.07

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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.