Home / 26,608.16-36,715.80-15,278.15

Finding the Fourth Proportional to 26,608.16, 36,715.80 and 15,278.15

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Solution

The fourth proportional to 26,608.16, 36,715.80 and 15,278.15 is: 21,081.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,608.16 : 36,715.80 = 15,278.15 : x
  2. Step 2: Convert to fraction form
    26,608.16/36,715.80 = 15,278.15/x
  3. Step 3: Cross multiply
    26,608.16x = 36,715.80 × 15,278.15
  4. Step 4: Simplify right side
    26,608.16x = 560,949,499.77
  5. Step 5: Solve for x
    x = 560,949,499.77/26,608.16
  6. Step 6: Final answer
    x = 21,081.86

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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.