Home / 22,115.80-30,461.70-17,001.56

Finding the Fourth Proportional to 22,115.80, 30,461.70 and 17,001.56

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Solution

The fourth proportional to 22,115.80, 30,461.70 and 17,001.56 is: 23,417.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,115.80 : 30,461.70 = 17,001.56 : x
  2. Step 2: Convert to fraction form
    22,115.80/30,461.70 = 17,001.56/x
  3. Step 3: Cross multiply
    22,115.80x = 30,461.70 × 17,001.56
  4. Step 4: Simplify right side
    22,115.80x = 517,896,420.25
  5. Step 5: Solve for x
    x = 517,896,420.25/22,115.80
  6. Step 6: Final answer
    x = 23,417.49

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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.