Home / 28,679.50-39,577.74-16,104.28

Finding the Fourth Proportional to 28,679.50, 39,577.74 and 16,104.28

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Solution

The fourth proportional to 28,679.50, 39,577.74 and 16,104.28 is: 22,223.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,679.50 : 39,577.74 = 16,104.28 : x
  2. Step 2: Convert to fraction form
    28,679.50/39,577.74 = 16,104.28/x
  3. Step 3: Cross multiply
    28,679.50x = 39,577.74 × 16,104.28
  4. Step 4: Simplify right side
    28,679.50x = 637,371,006.73
  5. Step 5: Solve for x
    x = 637,371,006.73/28,679.50
  6. Step 6: Final answer
    x = 22,223.92

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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.