Home / 26,647.68-36,775.02-15,320.85

Finding the Fourth Proportional to 26,647.68, 36,775.02 and 15,320.85

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Solution

The fourth proportional to 26,647.68, 36,775.02 and 15,320.85 is: 21,143.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,647.68 : 36,775.02 = 15,320.85 : x
  2. Step 2: Convert to fraction form
    26,647.68/36,775.02 = 15,320.85/x
  3. Step 3: Cross multiply
    26,647.68x = 36,775.02 × 15,320.85
  4. Step 4: Simplify right side
    26,647.68x = 563,424,565.17
  5. Step 5: Solve for x
    x = 563,424,565.17/26,647.68
  6. Step 6: Final answer
    x = 21,143.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.