Home / 23,211.17-32,031.45-12,600.80

Finding the Fourth Proportional to 23,211.17, 32,031.45 and 12,600.80

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Solution

The fourth proportional to 23,211.17, 32,031.45 and 12,600.80 is: 17,389.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,211.17 : 32,031.45 = 12,600.80 : x
  2. Step 2: Convert to fraction form
    23,211.17/32,031.45 = 12,600.80/x
  3. Step 3: Cross multiply
    23,211.17x = 32,031.45 × 12,600.80
  4. Step 4: Simplify right side
    23,211.17x = 403,621,735.00
  5. Step 5: Solve for x
    x = 403,621,735.00/23,211.17
  6. Step 6: Final answer
    x = 17,389.12

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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.