Home / 26,521.60-39,787.97-7,800.07

Finding the Fourth Proportional to 26,521.60, 39,787.97 and 7,800.07

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Solution

The fourth proportional to 26,521.60, 39,787.97 and 7,800.07 is: 11,701.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,521.60 : 39,787.97 = 7,800.07 : x
  2. Step 2: Convert to fraction form
    26,521.60/39,787.97 = 7,800.07/x
  3. Step 3: Cross multiply
    26,521.60x = 39,787.97 × 7,800.07
  4. Step 4: Simplify right side
    26,521.60x = 310,348,871.19
  5. Step 5: Solve for x
    x = 310,348,871.19/26,521.60
  6. Step 6: Final answer
    x = 11,701.74

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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.