Home / 23,752.98-32,778.21-13,143.06

Finding the Fourth Proportional to 23,752.98, 32,778.21 and 13,143.06

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Solution

The fourth proportional to 23,752.98, 32,778.21 and 13,143.06 is: 18,136.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,752.98 : 32,778.21 = 13,143.06 : x
  2. Step 2: Convert to fraction form
    23,752.98/32,778.21 = 13,143.06/x
  3. Step 3: Cross multiply
    23,752.98x = 32,778.21 × 13,143.06
  4. Step 4: Simplify right side
    23,752.98x = 430,805,980.72
  5. Step 5: Solve for x
    x = 430,805,980.72/23,752.98
  6. Step 6: Final answer
    x = 18,136.92

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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.