Home / 25,429.77-38,132.36-8,783.97

Finding the Fourth Proportional to 25,429.77, 38,132.36 and 8,783.97

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Solution

The fourth proportional to 25,429.77, 38,132.36 and 8,783.97 is: 13,171.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,429.77 : 38,132.36 = 8,783.97 : x
  2. Step 2: Convert to fraction form
    25,429.77/38,132.36 = 8,783.97/x
  3. Step 3: Cross multiply
    25,429.77x = 38,132.36 × 8,783.97
  4. Step 4: Simplify right side
    25,429.77x = 334,953,462.35
  5. Step 5: Solve for x
    x = 334,953,462.35/25,429.77
  6. Step 6: Final answer
    x = 13,171.71

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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.