Home / 26,560.63-39,787.51-12,309.13

Finding the Fourth Proportional to 26,560.63, 39,787.51 and 12,309.13

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Solution

The fourth proportional to 26,560.63, 39,787.51 and 12,309.13 is: 18,438.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,560.63 : 39,787.51 = 12,309.13 : x
  2. Step 2: Convert to fraction form
    26,560.63/39,787.51 = 12,309.13/x
  3. Step 3: Cross multiply
    26,560.63x = 39,787.51 × 12,309.13
  4. Step 4: Simplify right side
    26,560.63x = 489,749,632.97
  5. Step 5: Solve for x
    x = 489,749,632.97/26,560.63
  6. Step 6: Final answer
    x = 18,438.93

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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.