Home / 28,839.60-43,259.40-12,196.98

Finding the Fourth Proportional to 28,839.60, 43,259.40 and 12,196.98

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Solution

The fourth proportional to 28,839.60, 43,259.40 and 12,196.98 is: 18,295.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,839.60 : 43,259.40 = 12,196.98 : x
  2. Step 2: Convert to fraction form
    28,839.60/43,259.40 = 12,196.98/x
  3. Step 3: Cross multiply
    28,839.60x = 43,259.40 × 12,196.98
  4. Step 4: Simplify right side
    28,839.60x = 527,634,036.61
  5. Step 5: Solve for x
    x = 527,634,036.61/28,839.60
  6. Step 6: Final answer
    x = 18,295.47

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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.