Home / 26,640.09-36,769.95-15,158.34

Finding the Fourth Proportional to 26,640.09, 36,769.95 and 15,158.34

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Solution

The fourth proportional to 26,640.09, 36,769.95 and 15,158.34 is: 20,922.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,640.09 : 36,769.95 = 15,158.34 : x
  2. Step 2: Convert to fraction form
    26,640.09/36,769.95 = 15,158.34/x
  3. Step 3: Cross multiply
    26,640.09x = 36,769.95 × 15,158.34
  4. Step 4: Simplify right side
    26,640.09x = 557,371,403.88
  5. Step 5: Solve for x
    x = 557,371,403.88/26,640.09
  6. Step 6: Final answer
    x = 20,922.28

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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.