Home / 22,012.40-30,342.12-17,288.48

Finding the Fourth Proportional to 22,012.40, 30,342.12 and 17,288.48

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Solution

The fourth proportional to 22,012.40, 30,342.12 and 17,288.48 is: 23,830.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012.40 : 30,342.12 = 17,288.48 : x
  2. Step 2: Convert to fraction form
    22,012.40/30,342.12 = 17,288.48/x
  3. Step 3: Cross multiply
    22,012.40x = 30,342.12 × 17,288.48
  4. Step 4: Simplify right side
    22,012.40x = 524,569,134.78
  5. Step 5: Solve for x
    x = 524,569,134.78/22,012.40
  6. Step 6: Final answer
    x = 23,830.62

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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.