Home / 23,479.76-32,400.04-12,869.36

Finding the Fourth Proportional to 23,479.76, 32,400.04 and 12,869.36

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Solution

The fourth proportional to 23,479.76, 32,400.04 and 12,869.36 is: 17,758.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,479.76 : 32,400.04 = 12,869.36 : x
  2. Step 2: Convert to fraction form
    23,479.76/32,400.04 = 12,869.36/x
  3. Step 3: Cross multiply
    23,479.76x = 32,400.04 × 12,869.36
  4. Step 4: Simplify right side
    23,479.76x = 416,967,778.77
  5. Step 5: Solve for x
    x = 416,967,778.77/23,479.76
  6. Step 6: Final answer
    x = 17,758.60

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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.