Home / 25,878.28-38,827.26-10,306.84

Finding the Fourth Proportional to 25,878.28, 38,827.26 and 10,306.84

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Solution

The fourth proportional to 25,878.28, 38,827.26 and 10,306.84 is: 15,464.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,878.28 : 38,827.26 = 10,306.84 : x
  2. Step 2: Convert to fraction form
    25,878.28/38,827.26 = 10,306.84/x
  3. Step 3: Cross multiply
    25,878.28x = 38,827.26 × 10,306.84
  4. Step 4: Simplify right side
    25,878.28x = 400,186,356.46
  5. Step 5: Solve for x
    x = 400,186,356.46/25,878.28
  6. Step 6: Final answer
    x = 15,464.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.