Home / 26,647.74-36,775.07-15,320.91

Finding the Fourth Proportional to 26,647.74, 36,775.07 and 15,320.91

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Solution

The fourth proportional to 26,647.74, 36,775.07 and 15,320.91 is: 21,143.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,647.74 : 36,775.07 = 15,320.91 : x
  2. Step 2: Convert to fraction form
    26,647.74/36,775.07 = 15,320.91/x
  3. Step 3: Cross multiply
    26,647.74x = 36,775.07 × 15,320.91
  4. Step 4: Simplify right side
    26,647.74x = 563,427,537.71
  5. Step 5: Solve for x
    x = 563,427,537.71/26,647.74
  6. Step 6: Final answer
    x = 21,143.54

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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.