Home / 26,211.12-39,288.97-17,870.46

Finding the Fourth Proportional to 26,211.12, 39,288.97 and 17,870.46

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Solution

The fourth proportional to 26,211.12, 39,288.97 and 17,870.46 is: 26,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,211.12 : 39,288.97 = 17,870.46 : x
  2. Step 2: Convert to fraction form
    26,211.12/39,288.97 = 17,870.46/x
  3. Step 3: Cross multiply
    26,211.12x = 39,288.97 × 17,870.46
  4. Step 4: Simplify right side
    26,211.12x = 702,111,966.83
  5. Step 5: Solve for x
    x = 702,111,966.83/26,211.12
  6. Step 6: Final answer
    x = 26,786.80

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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.