Home / 26,015.56-39,013.89-9,145.15

Finding the Fourth Proportional to 26,015.56, 39,013.89 and 9,145.15

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Solution

The fourth proportional to 26,015.56, 39,013.89 and 9,145.15 is: 13,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,015.56 : 39,013.89 = 9,145.15 : x
  2. Step 2: Convert to fraction form
    26,015.56/39,013.89 = 9,145.15/x
  3. Step 3: Cross multiply
    26,015.56x = 39,013.89 × 9,145.15
  4. Step 4: Simplify right side
    26,015.56x = 356,787,876.13
  5. Step 5: Solve for x
    x = 356,787,876.13/26,015.56
  6. Step 6: Final answer
    x = 13,714.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.