Home / 17,988.30-26,982.27-10,090.80

Finding the Fourth Proportional to 17,988.30, 26,982.27 and 10,090.80

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Solution

The fourth proportional to 17,988.30, 26,982.27 and 10,090.80 is: 15,136.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.30 : 26,982.27 = 10,090.80 : x
  2. Step 2: Convert to fraction form
    17,988.30/26,982.27 = 10,090.80/x
  3. Step 3: Cross multiply
    17,988.30x = 26,982.27 × 10,090.80
  4. Step 4: Simplify right side
    17,988.30x = 272,272,555.20
  5. Step 5: Solve for x
    x = 272,272,555.20/17,988.30
  6. Step 6: Final answer
    x = 15,136.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.