Home / 28,752.19-39,678.03-16,176.94

Finding the Fourth Proportional to 28,752.19, 39,678.03 and 16,176.94

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Solution

The fourth proportional to 28,752.19, 39,678.03 and 16,176.94 is: 22,324.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,752.19 : 39,678.03 = 16,176.94 : x
  2. Step 2: Convert to fraction form
    28,752.19/39,678.03 = 16,176.94/x
  3. Step 3: Cross multiply
    28,752.19x = 39,678.03 × 16,176.94
  4. Step 4: Simplify right side
    28,752.19x = 641,869,011.43
  5. Step 5: Solve for x
    x = 641,869,011.43/28,752.19
  6. Step 6: Final answer
    x = 22,324.18

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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.