Home / 28,885.20-43,295.40-14,839.80

Finding the Fourth Proportional to 28,885.20, 43,295.40 and 14,839.80

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Solution

The fourth proportional to 28,885.20, 43,295.40 and 14,839.80 is: 22,243.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,885.20 : 43,295.40 = 14,839.80 : x
  2. Step 2: Convert to fraction form
    28,885.20/43,295.40 = 14,839.80/x
  3. Step 3: Cross multiply
    28,885.20x = 43,295.40 × 14,839.80
  4. Step 4: Simplify right side
    28,885.20x = 642,495,076.92
  5. Step 5: Solve for x
    x = 642,495,076.92/28,885.20
  6. Step 6: Final answer
    x = 22,243.05

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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.