Home / 26,988.12-37,243.77-15,052.21

Finding the Fourth Proportional to 26,988.12, 37,243.77 and 15,052.21

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Solution

The fourth proportional to 26,988.12, 37,243.77 and 15,052.21 is: 20,772.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,988.12 : 37,243.77 = 15,052.21 : x
  2. Step 2: Convert to fraction form
    26,988.12/37,243.77 = 15,052.21/x
  3. Step 3: Cross multiply
    26,988.12x = 37,243.77 × 15,052.21
  4. Step 4: Simplify right side
    26,988.12x = 560,601,047.23
  5. Step 5: Solve for x
    x = 560,601,047.23/26,988.12
  6. Step 6: Final answer
    x = 20,772.14

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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.