Home / 26,608.10-39,920.69-7,888.28

Finding the Fourth Proportional to 26,608.10, 39,920.69 and 7,888.28

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Solution

The fourth proportional to 26,608.10, 39,920.69 and 7,888.28 is: 11,834.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,608.10 : 39,920.69 = 7,888.28 : x
  2. Step 2: Convert to fraction form
    26,608.10/39,920.69 = 7,888.28/x
  3. Step 3: Cross multiply
    26,608.10x = 39,920.69 × 7,888.28
  4. Step 4: Simplify right side
    26,608.10x = 314,905,400.63
  5. Step 5: Solve for x
    x = 314,905,400.63/26,608.10
  6. Step 6: Final answer
    x = 11,834.95

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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.