Home / 28,000.28-38,638.82-16,062.50

Finding the Fourth Proportional to 28,000.28, 38,638.82 and 16,062.50

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Solution

The fourth proportional to 28,000.28, 38,638.82 and 16,062.50 is: 22,165.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,000.28 : 38,638.82 = 16,062.50 : x
  2. Step 2: Convert to fraction form
    28,000.28/38,638.82 = 16,062.50/x
  3. Step 3: Cross multiply
    28,000.28x = 38,638.82 × 16,062.50
  4. Step 4: Simplify right side
    28,000.28x = 620,635,965.94
  5. Step 5: Solve for x
    x = 620,635,965.94/28,000.28
  6. Step 6: Final answer
    x = 22,165.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.