Home / 28,823.96-39,777-16,248.62

Finding the Fourth Proportional to 28,823.96, 39,777 and 16,248.62

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Solution

The fourth proportional to 28,823.96, 39,777 and 16,248.62 is: 22,423.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,823.96 : 39,777 = 16,248.62 : x
  2. Step 2: Convert to fraction form
    28,823.96/39,777 = 16,248.62/x
  3. Step 3: Cross multiply
    28,823.96x = 39,777 × 16,248.62
  4. Step 4: Simplify right side
    28,823.96x = 646,321,357.74
  5. Step 5: Solve for x
    x = 646,321,357.74/28,823.96
  6. Step 6: Final answer
    x = 22,423.06

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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.