Home / 20,001.60-27,581.46-17,178.30

Finding the Fourth Proportional to 20,001.60, 27,581.46 and 17,178.30

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Solution

The fourth proportional to 20,001.60, 27,581.46 and 17,178.30 is: 23,688.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001.60 : 27,581.46 = 17,178.30 : x
  2. Step 2: Convert to fraction form
    20,001.60/27,581.46 = 17,178.30/x
  3. Step 3: Cross multiply
    20,001.60x = 27,581.46 × 17,178.30
  4. Step 4: Simplify right side
    20,001.60x = 473,802,594.32
  5. Step 5: Solve for x
    x = 473,802,594.32/20,001.60
  6. Step 6: Final answer
    x = 23,688.23

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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.