Home / 25,321.49-37,885.87-15,289.31

Finding the Fourth Proportional to 25,321.49, 37,885.87 and 15,289.31

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Solution

The fourth proportional to 25,321.49, 37,885.87 and 15,289.31 is: 22,875.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,321.49 : 37,885.87 = 15,289.31 : x
  2. Step 2: Convert to fraction form
    25,321.49/37,885.87 = 15,289.31/x
  3. Step 3: Cross multiply
    25,321.49x = 37,885.87 × 15,289.31
  4. Step 4: Simplify right side
    25,321.49x = 579,248,867.54
  5. Step 5: Solve for x
    x = 579,248,867.54/25,321.49
  6. Step 6: Final answer
    x = 22,875.78

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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.