Home / 28,725.40-43,123.20-16,254.10

Finding the Fourth Proportional to 28,725.40, 43,123.20 and 16,254.10

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Solution

The fourth proportional to 28,725.40, 43,123.20 and 16,254.10 is: 24,401.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,725.40 : 43,123.20 = 16,254.10 : x
  2. Step 2: Convert to fraction form
    28,725.40/43,123.20 = 16,254.10/x
  3. Step 3: Cross multiply
    28,725.40x = 43,123.20 × 16,254.10
  4. Step 4: Simplify right side
    28,725.40x = 700,928,805.12
  5. Step 5: Solve for x
    x = 700,928,805.12/28,725.40
  6. Step 6: Final answer
    x = 24,401.01

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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.