Home / 28,176.46-38,890.53-16,246.98

Finding the Fourth Proportional to 28,176.46, 38,890.53 and 16,246.98

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Solution

The fourth proportional to 28,176.46, 38,890.53 and 16,246.98 is: 22,424.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,176.46 : 38,890.53 = 16,246.98 : x
  2. Step 2: Convert to fraction form
    28,176.46/38,890.53 = 16,246.98/x
  3. Step 3: Cross multiply
    28,176.46x = 38,890.53 × 16,246.98
  4. Step 4: Simplify right side
    28,176.46x = 631,853,663.10
  5. Step 5: Solve for x
    x = 631,853,663.10/28,176.46
  6. Step 6: Final answer
    x = 22,424.88

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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.