Home / 23,480.19-32,402.48-12,869.80

Finding the Fourth Proportional to 23,480.19, 32,402.48 and 12,869.80

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Solution

The fourth proportional to 23,480.19, 32,402.48 and 12,869.80 is: 17,760.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,480.19 : 32,402.48 = 12,869.80 : x
  2. Step 2: Convert to fraction form
    23,480.19/32,402.48 = 12,869.80/x
  3. Step 3: Cross multiply
    23,480.19x = 32,402.48 × 12,869.80
  4. Step 4: Simplify right side
    23,480.19x = 417,013,291.75
  5. Step 5: Solve for x
    x = 417,013,291.75/23,480.19
  6. Step 6: Final answer
    x = 17,760.22

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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.