Home / 28,914.28-43,354.56-14,108.20

Finding the Fourth Proportional to 28,914.28, 43,354.56 and 14,108.20

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Solution

The fourth proportional to 28,914.28, 43,354.56 and 14,108.20 is: 21,154.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,914.28 : 43,354.56 = 14,108.20 : x
  2. Step 2: Convert to fraction form
    28,914.28/43,354.56 = 14,108.20/x
  3. Step 3: Cross multiply
    28,914.28x = 43,354.56 × 14,108.20
  4. Step 4: Simplify right side
    28,914.28x = 611,654,803.39
  5. Step 5: Solve for x
    x = 611,654,803.39/28,914.28
  6. Step 6: Final answer
    x = 21,154.07

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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.