Home / 26,508.84-39,763.26-8,990.97

Finding the Fourth Proportional to 26,508.84, 39,763.26 and 8,990.97

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Solution

The fourth proportional to 26,508.84, 39,763.26 and 8,990.97 is: 13,486.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,508.84 : 39,763.26 = 8,990.97 : x
  2. Step 2: Convert to fraction form
    26,508.84/39,763.26 = 8,990.97/x
  3. Step 3: Cross multiply
    26,508.84x = 39,763.26 × 8,990.97
  4. Step 4: Simplify right side
    26,508.84x = 357,510,277.76
  5. Step 5: Solve for x
    x = 357,510,277.76/26,508.84
  6. Step 6: Final answer
    x = 13,486.46

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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.