Home / 27,873.54-38,465.82-15,126.93

Finding the Fourth Proportional to 27,873.54, 38,465.82 and 15,126.93

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Solution

The fourth proportional to 27,873.54, 38,465.82 and 15,126.93 is: 20,875.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,873.54 : 38,465.82 = 15,126.93 : x
  2. Step 2: Convert to fraction form
    27,873.54/38,465.82 = 15,126.93/x
  3. Step 3: Cross multiply
    27,873.54x = 38,465.82 × 15,126.93
  4. Step 4: Simplify right side
    27,873.54x = 581,869,766.53
  5. Step 5: Solve for x
    x = 581,869,766.53/27,873.54
  6. Step 6: Final answer
    x = 20,875.35

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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.