Home / 28,434.62-39,227.08-16,491.04

Finding the Fourth Proportional to 28,434.62, 39,227.08 and 16,491.04

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Solution

The fourth proportional to 28,434.62, 39,227.08 and 16,491.04 is: 22,750.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,434.62 : 39,227.08 = 16,491.04 : x
  2. Step 2: Convert to fraction form
    28,434.62/39,227.08 = 16,491.04/x
  3. Step 3: Cross multiply
    28,434.62x = 39,227.08 × 16,491.04
  4. Step 4: Simplify right side
    28,434.62x = 646,895,345.36
  5. Step 5: Solve for x
    x = 646,895,345.36/28,434.62
  6. Step 6: Final answer
    x = 22,750.27

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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.