Home / 28,803.48-39,750.30-16,229.40

Finding the Fourth Proportional to 28,803.48, 39,750.30 and 16,229.40

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Solution

The fourth proportional to 28,803.48, 39,750.30 and 16,229.40 is: 22,397.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,803.48 : 39,750.30 = 16,229.40 : x
  2. Step 2: Convert to fraction form
    28,803.48/39,750.30 = 16,229.40/x
  3. Step 3: Cross multiply
    28,803.48x = 39,750.30 × 16,229.40
  4. Step 4: Simplify right side
    28,803.48x = 645,123,518.82
  5. Step 5: Solve for x
    x = 645,123,518.82/28,803.48
  6. Step 6: Final answer
    x = 22,397.42

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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.