Home / 26,211.04-36,170.80-15,600.40

Finding the Fourth Proportional to 26,211.04, 36,170.80 and 15,600.40

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Solution

The fourth proportional to 26,211.04, 36,170.80 and 15,600.40 is: 21,528.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,211.04 : 36,170.80 = 15,600.40 : x
  2. Step 2: Convert to fraction form
    26,211.04/36,170.80 = 15,600.40/x
  3. Step 3: Cross multiply
    26,211.04x = 36,170.80 × 15,600.40
  4. Step 4: Simplify right side
    26,211.04x = 564,278,948.32
  5. Step 5: Solve for x
    x = 564,278,948.32/26,211.04
  6. Step 6: Final answer
    x = 21,528.29

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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.