Home / 26,034.90-35,928.21-15,429.78

Finding the Fourth Proportional to 26,034.90, 35,928.21 and 15,429.78

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Solution

The fourth proportional to 26,034.90, 35,928.21 and 15,429.78 is: 21,293.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,034.90 : 35,928.21 = 15,429.78 : x
  2. Step 2: Convert to fraction form
    26,034.90/35,928.21 = 15,429.78/x
  3. Step 3: Cross multiply
    26,034.90x = 35,928.21 × 15,429.78
  4. Step 4: Simplify right side
    26,034.90x = 554,364,376.09
  5. Step 5: Solve for x
    x = 554,364,376.09/26,034.90
  6. Step 6: Final answer
    x = 21,293.12

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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.