Home / 26,424.20-39,632.43-7,699.21

Finding the Fourth Proportional to 26,424.20, 39,632.43 and 7,699.21

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Solution

The fourth proportional to 26,424.20, 39,632.43 and 7,699.21 is: 11,547.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,424.20 : 39,632.43 = 7,699.21 : x
  2. Step 2: Convert to fraction form
    26,424.20/39,632.43 = 7,699.21/x
  3. Step 3: Cross multiply
    26,424.20x = 39,632.43 × 7,699.21
  4. Step 4: Simplify right side
    26,424.20x = 305,138,401.38
  5. Step 5: Solve for x
    x = 305,138,401.38/26,424.20
  6. Step 6: Final answer
    x = 11,547.69

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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.