Home / 23,487.80-32,412.92-12,877.40

Finding the Fourth Proportional to 23,487.80, 32,412.92 and 12,877.40

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Solution

The fourth proportional to 23,487.80, 32,412.92 and 12,877.40 is: 17,770.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,487.80 : 32,412.92 = 12,877.40 : x
  2. Step 2: Convert to fraction form
    23,487.80/32,412.92 = 12,877.40/x
  3. Step 3: Cross multiply
    23,487.80x = 32,412.92 × 12,877.40
  4. Step 4: Simplify right side
    23,487.80x = 417,394,152.65
  5. Step 5: Solve for x
    x = 417,394,152.65/23,487.80
  6. Step 6: Final answer
    x = 17,770.68

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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.