Home / 26,111.93-36,011.25-21,074.54

Finding the Fourth Proportional to 26,111.93, 36,011.25 and 21,074.54

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Solution

The fourth proportional to 26,111.93, 36,011.25 and 21,074.54 is: 29,064.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,111.93 : 36,011.25 = 21,074.54 : x
  2. Step 2: Convert to fraction form
    26,111.93/36,011.25 = 21,074.54/x
  3. Step 3: Cross multiply
    26,111.93x = 36,011.25 × 21,074.54
  4. Step 4: Simplify right side
    26,111.93x = 758,920,348.52
  5. Step 5: Solve for x
    x = 758,920,348.52/26,111.93
  6. Step 6: Final answer
    x = 29,064.13

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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.