Home / 28,870.74-39,844.89-16,294.50

Finding the Fourth Proportional to 28,870.74, 39,844.89 and 16,294.50

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Solution

The fourth proportional to 28,870.74, 39,844.89 and 16,294.50 is: 22,488.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,870.74 : 39,844.89 = 16,294.50 : x
  2. Step 2: Convert to fraction form
    28,870.74/39,844.89 = 16,294.50/x
  3. Step 3: Cross multiply
    28,870.74x = 39,844.89 × 16,294.50
  4. Step 4: Simplify right side
    28,870.74x = 649,252,560.11
  5. Step 5: Solve for x
    x = 649,252,560.11/28,870.74
  6. Step 6: Final answer
    x = 22,488.25

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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.