Home / 28,928.29-39,923.03-16,182.69

Finding the Fourth Proportional to 28,928.29, 39,923.03 and 16,182.69

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Solution

The fourth proportional to 28,928.29, 39,923.03 and 16,182.69 is: 22,333.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,928.29 : 39,923.03 = 16,182.69 : x
  2. Step 2: Convert to fraction form
    28,928.29/39,923.03 = 16,182.69/x
  3. Step 3: Cross multiply
    28,928.29x = 39,923.03 × 16,182.69
  4. Step 4: Simplify right side
    28,928.29x = 646,061,818.07
  5. Step 5: Solve for x
    x = 646,061,818.07/28,928.29
  6. Step 6: Final answer
    x = 22,333.22

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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.