Home / 23,493.90-32,420.88-12,883.17

Finding the Fourth Proportional to 23,493.90, 32,420.88 and 12,883.17

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Solution

The fourth proportional to 23,493.90, 32,420.88 and 12,883.17 is: 17,778.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,493.90 : 32,420.88 = 12,883.17 : x
  2. Step 2: Convert to fraction form
    23,493.90/32,420.88 = 12,883.17/x
  3. Step 3: Cross multiply
    23,493.90x = 32,420.88 × 12,883.17
  4. Step 4: Simplify right side
    23,493.90x = 417,683,708.59
  5. Step 5: Solve for x
    x = 417,683,708.59/23,493.90
  6. Step 6: Final answer
    x = 17,778.39

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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.