Home / 23,281.03-32,129.43-13,209.58

Finding the Fourth Proportional to 23,281.03, 32,129.43 and 13,209.58

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Solution

The fourth proportional to 23,281.03, 32,129.43 and 13,209.58 is: 18,230.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,281.03 : 32,129.43 = 13,209.58 : x
  2. Step 2: Convert to fraction form
    23,281.03/32,129.43 = 13,209.58/x
  3. Step 3: Cross multiply
    23,281.03x = 32,129.43 × 13,209.58
  4. Step 4: Simplify right side
    23,281.03x = 424,416,275.94
  5. Step 5: Solve for x
    x = 424,416,275.94/23,281.03
  6. Step 6: Final answer
    x = 18,230.13

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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.