Home / 28,642.35-39,517.50-16,541.28

Finding the Fourth Proportional to 28,642.35, 39,517.50 and 16,541.28

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Solution

The fourth proportional to 28,642.35, 39,517.50 and 16,541.28 is: 22,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,642.35 : 39,517.50 = 16,541.28 : x
  2. Step 2: Convert to fraction form
    28,642.35/39,517.50 = 16,541.28/x
  3. Step 3: Cross multiply
    28,642.35x = 39,517.50 × 16,541.28
  4. Step 4: Simplify right side
    28,642.35x = 653,670,032.40
  5. Step 5: Solve for x
    x = 653,670,032.40/28,642.35
  6. Step 6: Final answer
    x = 22,821.80

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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.