Home / 23,491.80-32,420.70-12,883.47

Finding the Fourth Proportional to 23,491.80, 32,420.70 and 12,883.47

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Solution

The fourth proportional to 23,491.80, 32,420.70 and 12,883.47 is: 17,780.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,491.80 : 32,420.70 = 12,883.47 : x
  2. Step 2: Convert to fraction form
    23,491.80/32,420.70 = 12,883.47/x
  3. Step 3: Cross multiply
    23,491.80x = 32,420.70 × 12,883.47
  4. Step 4: Simplify right side
    23,491.80x = 417,691,115.83
  5. Step 5: Solve for x
    x = 417,691,115.83/23,491.80
  6. Step 6: Final answer
    x = 17,780.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.