Home / 26,479.19-39,718.77-7,759.22

Finding the Fourth Proportional to 26,479.19, 39,718.77 and 7,759.22

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Solution

The fourth proportional to 26,479.19, 39,718.77 and 7,759.22 is: 11,638.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,479.19 : 39,718.77 = 7,759.22 : x
  2. Step 2: Convert to fraction form
    26,479.19/39,718.77 = 7,759.22/x
  3. Step 3: Cross multiply
    26,479.19x = 39,718.77 × 7,759.22
  4. Step 4: Simplify right side
    26,479.19x = 308,186,602.22
  5. Step 5: Solve for x
    x = 308,186,602.22/26,479.19
  6. Step 6: Final answer
    x = 11,638.82

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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.