Home / 19,988.28-27,620.46-17,327.16

Finding the Fourth Proportional to 19,988.28, 27,620.46 and 17,327.16

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Solution

The fourth proportional to 19,988.28, 27,620.46 and 17,327.16 is: 23,943.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988.28 : 27,620.46 = 17,327.16 : x
  2. Step 2: Convert to fraction form
    19,988.28/27,620.46 = 17,327.16/x
  3. Step 3: Cross multiply
    19,988.28x = 27,620.46 × 17,327.16
  4. Step 4: Simplify right side
    19,988.28x = 478,584,129.69
  5. Step 5: Solve for x
    x = 478,584,129.69/19,988.28
  6. Step 6: Final answer
    x = 23,943.24

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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.