Home / 26,371.17-36,302.99-20,391.55

Finding the Fourth Proportional to 26,371.17, 36,302.99 and 20,391.55

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Solution

The fourth proportional to 26,371.17, 36,302.99 and 20,391.55 is: 28,071.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,371.17 : 36,302.99 = 20,391.55 : x
  2. Step 2: Convert to fraction form
    26,371.17/36,302.99 = 20,391.55/x
  3. Step 3: Cross multiply
    26,371.17x = 36,302.99 × 20,391.55
  4. Step 4: Simplify right side
    26,371.17x = 740,274,043.02
  5. Step 5: Solve for x
    x = 740,274,043.02/26,371.17
  6. Step 6: Final answer
    x = 28,071.34

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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.