Home / 23,281.60-32,128.08-12,671.20

Finding the Fourth Proportional to 23,281.60, 32,128.08 and 12,671.20

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Solution

The fourth proportional to 23,281.60, 32,128.08 and 12,671.20 is: 17,485.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,281.60 : 32,128.08 = 12,671.20 : x
  2. Step 2: Convert to fraction form
    23,281.60/32,128.08 = 12,671.20/x
  3. Step 3: Cross multiply
    23,281.60x = 32,128.08 × 12,671.20
  4. Step 4: Simplify right side
    23,281.60x = 407,101,327.30
  5. Step 5: Solve for x
    x = 407,101,327.30/23,281.60
  6. Step 6: Final answer
    x = 17,485.97

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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.