Home / 28,473.71-39,290.81-16,539.57

Finding the Fourth Proportional to 28,473.71, 39,290.81 and 16,539.57

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Solution

The fourth proportional to 28,473.71, 39,290.81 and 16,539.57 is: 22,822.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,473.71 : 39,290.81 = 16,539.57 : x
  2. Step 2: Convert to fraction form
    28,473.71/39,290.81 = 16,539.57/x
  3. Step 3: Cross multiply
    28,473.71x = 39,290.81 × 16,539.57
  4. Step 4: Simplify right side
    28,473.71x = 649,853,019.65
  5. Step 5: Solve for x
    x = 649,853,019.65/28,473.71
  6. Step 6: Final answer
    x = 22,822.92

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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.