Home / 38,689.68-58,038.70-16,505.40

Finding the Fourth Proportional to 38,689.68, 58,038.70 and 16,505.40

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Solution

The fourth proportional to 38,689.68, 58,038.70 and 16,505.40 is: 24,759.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,689.68 : 58,038.70 = 16,505.40 : x
  2. Step 2: Convert to fraction form
    38,689.68/58,038.70 = 16,505.40/x
  3. Step 3: Cross multiply
    38,689.68x = 58,038.70 × 16,505.40
  4. Step 4: Simplify right side
    38,689.68x = 957,951,958.98
  5. Step 5: Solve for x
    x = 957,951,958.98/38,689.68
  6. Step 6: Final answer
    x = 24,759.88

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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.