Home / 38,262.78-57,390.93-13,298.58

Finding the Fourth Proportional to 38,262.78, 57,390.93 and 13,298.58

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Solution

The fourth proportional to 38,262.78, 57,390.93 and 13,298.58 is: 19,946.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,262.78 : 57,390.93 = 13,298.58 : x
  2. Step 2: Convert to fraction form
    38,262.78/57,390.93 = 13,298.58/x
  3. Step 3: Cross multiply
    38,262.78x = 57,390.93 × 13,298.58
  4. Step 4: Simplify right side
    38,262.78x = 763,217,873.88
  5. Step 5: Solve for x
    x = 763,217,873.88/38,262.78
  6. Step 6: Final answer
    x = 19,946.74

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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.