Home / 23,291.19-32,140.98-12,680.61

Finding the Fourth Proportional to 23,291.19, 32,140.98 and 12,680.61

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Solution

The fourth proportional to 23,291.19, 32,140.98 and 12,680.61 is: 17,498.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,291.19 : 32,140.98 = 12,680.61 : x
  2. Step 2: Convert to fraction form
    23,291.19/32,140.98 = 12,680.61/x
  3. Step 3: Cross multiply
    23,291.19x = 32,140.98 × 12,680.61
  4. Step 4: Simplify right side
    23,291.19x = 407,567,232.40
  5. Step 5: Solve for x
    x = 407,567,232.40/23,291.19
  6. Step 6: Final answer
    x = 17,498.77

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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.