Home / 26,255.07-39,382.59-7,787.07

Finding the Fourth Proportional to 26,255.07, 39,382.59 and 7,787.07

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Solution

The fourth proportional to 26,255.07, 39,382.59 and 7,787.07 is: 11,680.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,255.07 : 39,382.59 = 7,787.07 : x
  2. Step 2: Convert to fraction form
    26,255.07/39,382.59 = 7,787.07/x
  3. Step 3: Cross multiply
    26,255.07x = 39,382.59 × 7,787.07
  4. Step 4: Simplify right side
    26,255.07x = 306,674,985.11
  5. Step 5: Solve for x
    x = 306,674,985.11/26,255.07
  6. Step 6: Final answer
    x = 11,680.60

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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.