Home / 26,320.78-39,469.93-15,235.12

Finding the Fourth Proportional to 26,320.78, 39,469.93 and 15,235.12

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Solution

The fourth proportional to 26,320.78, 39,469.93 and 15,235.12 is: 22,846.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,320.78 : 39,469.93 = 15,235.12 : x
  2. Step 2: Convert to fraction form
    26,320.78/39,469.93 = 15,235.12/x
  3. Step 3: Cross multiply
    26,320.78x = 39,469.93 × 15,235.12
  4. Step 4: Simplify right side
    26,320.78x = 601,329,216.89
  5. Step 5: Solve for x
    x = 601,329,216.89/26,320.78
  6. Step 6: Final answer
    x = 22,846.18

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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.