Home / 26,148.73-39,223.02-7,428.79

Finding the Fourth Proportional to 26,148.73, 39,223.02 and 7,428.79

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Solution

The fourth proportional to 26,148.73, 39,223.02 and 7,428.79 is: 11,143.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,148.73 : 39,223.02 = 7,428.79 : x
  2. Step 2: Convert to fraction form
    26,148.73/39,223.02 = 7,428.79/x
  3. Step 3: Cross multiply
    26,148.73x = 39,223.02 × 7,428.79
  4. Step 4: Simplify right side
    26,148.73x = 291,379,578.75
  5. Step 5: Solve for x
    x = 291,379,578.75/26,148.73
  6. Step 6: Final answer
    x = 11,143.16

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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.