Home / 25,345.72-38,018.60-6,877.72

Finding the Fourth Proportional to 25,345.72, 38,018.60 and 6,877.72

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Solution

The fourth proportional to 25,345.72, 38,018.60 and 6,877.72 is: 10,316.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,345.72 : 38,018.60 = 6,877.72 : x
  2. Step 2: Convert to fraction form
    25,345.72/38,018.60 = 6,877.72/x
  3. Step 3: Cross multiply
    25,345.72x = 38,018.60 × 6,877.72
  4. Step 4: Simplify right side
    25,345.72x = 261,481,285.59
  5. Step 5: Solve for x
    x = 261,481,285.59/25,345.72
  6. Step 6: Final answer
    x = 10,316.59

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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.