Home / 26,359.18-39,534.21-12,320.47

Finding the Fourth Proportional to 26,359.18, 39,534.21 and 12,320.47

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Solution

The fourth proportional to 26,359.18, 39,534.21 and 12,320.47 is: 18,478.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,359.18 : 39,534.21 = 12,320.47 : x
  2. Step 2: Convert to fraction form
    26,359.18/39,534.21 = 12,320.47/x
  3. Step 3: Cross multiply
    26,359.18x = 39,534.21 × 12,320.47
  4. Step 4: Simplify right side
    26,359.18x = 487,080,048.28
  5. Step 5: Solve for x
    x = 487,080,048.28/26,359.18
  6. Step 6: Final answer
    x = 18,478.57

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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.