Home / 26,401.61-39,600.43-7,681.79

Finding the Fourth Proportional to 26,401.61, 39,600.43 and 7,681.79

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Solution

The fourth proportional to 26,401.61, 39,600.43 and 7,681.79 is: 11,522.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,401.61 : 39,600.43 = 7,681.79 : x
  2. Step 2: Convert to fraction form
    26,401.61/39,600.43 = 7,681.79/x
  3. Step 3: Cross multiply
    26,401.61x = 39,600.43 × 7,681.79
  4. Step 4: Simplify right side
    26,401.61x = 304,201,969.96
  5. Step 5: Solve for x
    x = 304,201,969.96/26,401.61
  6. Step 6: Final answer
    x = 11,522.10

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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.