Home / 28,042.88-38,699.10-16,106.99

Finding the Fourth Proportional to 28,042.88, 38,699.10 and 16,106.99

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Solution

The fourth proportional to 28,042.88, 38,699.10 and 16,106.99 is: 22,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,042.88 : 38,699.10 = 16,106.99 : x
  2. Step 2: Convert to fraction form
    28,042.88/38,699.10 = 16,106.99/x
  3. Step 3: Cross multiply
    28,042.88x = 38,699.10 × 16,106.99
  4. Step 4: Simplify right side
    28,042.88x = 623,326,016.71
  5. Step 5: Solve for x
    x = 623,326,016.71/28,042.88
  6. Step 6: Final answer
    x = 22,227.60

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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.