Home / 26,556.47-39,781.28-12,304.98

Finding the Fourth Proportional to 26,556.47, 39,781.28 and 12,304.98

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Solution

The fourth proportional to 26,556.47, 39,781.28 and 12,304.98 is: 18,432.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,556.47 : 39,781.28 = 12,304.98 : x
  2. Step 2: Convert to fraction form
    26,556.47/39,781.28 = 12,304.98/x
  3. Step 3: Cross multiply
    26,556.47x = 39,781.28 × 12,304.98
  4. Step 4: Simplify right side
    26,556.47x = 489,507,885.54
  5. Step 5: Solve for x
    x = 489,507,885.54/26,556.47
  6. Step 6: Final answer
    x = 18,432.72

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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.