Home / 26,659.34-39,988.81-10,860.66

Finding the Fourth Proportional to 26,659.34, 39,988.81 and 10,860.66

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Solution

The fourth proportional to 26,659.34, 39,988.81 and 10,860.66 is: 16,290.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,659.34 : 39,988.81 = 10,860.66 : x
  2. Step 2: Convert to fraction form
    26,659.34/39,988.81 = 10,860.66/x
  3. Step 3: Cross multiply
    26,659.34x = 39,988.81 × 10,860.66
  4. Step 4: Simplify right side
    26,659.34x = 434,304,869.21
  5. Step 5: Solve for x
    x = 434,304,869.21/26,659.34
  6. Step 6: Final answer
    x = 16,290.91

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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.