Home / 27,631.93-38,132.49-15,056.68

Finding the Fourth Proportional to 27,631.93, 38,132.49 and 15,056.68

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Solution

The fourth proportional to 27,631.93, 38,132.49 and 15,056.68 is: 20,778.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,631.93 : 38,132.49 = 15,056.68 : x
  2. Step 2: Convert to fraction form
    27,631.93/38,132.49 = 15,056.68/x
  3. Step 3: Cross multiply
    27,631.93x = 38,132.49 × 15,056.68
  4. Step 4: Simplify right side
    27,631.93x = 574,148,699.53
  5. Step 5: Solve for x
    x = 574,148,699.53/27,631.93
  6. Step 6: Final answer
    x = 20,778.45

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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.