Home / 28,674.40-39,569.52-16,098.88

Finding the Fourth Proportional to 28,674.40, 39,569.52 and 16,098.88

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Solution

The fourth proportional to 28,674.40, 39,569.52 and 16,098.88 is: 22,215.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,674.40 : 39,569.52 = 16,098.88 : x
  2. Step 2: Convert to fraction form
    28,674.40/39,569.52 = 16,098.88/x
  3. Step 3: Cross multiply
    28,674.40x = 39,569.52 × 16,098.88
  4. Step 4: Simplify right side
    28,674.40x = 637,024,954.14
  5. Step 5: Solve for x
    x = 637,024,954.14/28,674.40
  6. Step 6: Final answer
    x = 22,215.81

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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.