Home / 26,142.48-36,079.73-15,532.16

Finding the Fourth Proportional to 26,142.48, 36,079.73 and 15,532.16

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Solution

The fourth proportional to 26,142.48, 36,079.73 and 15,532.16 is: 21,436.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,142.48 : 36,079.73 = 15,532.16 : x
  2. Step 2: Convert to fraction form
    26,142.48/36,079.73 = 15,532.16/x
  3. Step 3: Cross multiply
    26,142.48x = 36,079.73 × 15,532.16
  4. Step 4: Simplify right side
    26,142.48x = 560,396,139.12
  5. Step 5: Solve for x
    x = 560,396,139.12/26,142.48
  6. Step 6: Final answer
    x = 21,436.23

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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.