Home / 23,276.61-32,120.76-12,666.25

Finding the Fourth Proportional to 23,276.61, 32,120.76 and 12,666.25

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Solution

The fourth proportional to 23,276.61, 32,120.76 and 12,666.25 is: 17,478.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,276.61 : 32,120.76 = 12,666.25 : x
  2. Step 2: Convert to fraction form
    23,276.61/32,120.76 = 12,666.25/x
  3. Step 3: Cross multiply
    23,276.61x = 32,120.76 × 12,666.25
  4. Step 4: Simplify right side
    23,276.61x = 406,849,576.35
  5. Step 5: Solve for x
    x = 406,849,576.35/23,276.61
  6. Step 6: Final answer
    x = 17,478.90

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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.