Home / 26,721.59-40,113.41-15,636.21

Finding the Fourth Proportional to 26,721.59, 40,113.41 and 15,636.21

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Solution

The fourth proportional to 26,721.59, 40,113.41 and 15,636.21 is: 23,472.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,721.59 : 40,113.41 = 15,636.21 : x
  2. Step 2: Convert to fraction form
    26,721.59/40,113.41 = 15,636.21/x
  3. Step 3: Cross multiply
    26,721.59x = 40,113.41 × 15,636.21
  4. Step 4: Simplify right side
    26,721.59x = 627,221,624.40
  5. Step 5: Solve for x
    x = 627,221,624.40/26,721.59
  6. Step 6: Final answer
    x = 23,472.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.