Home / 25,157.83-37,742.58-7,387.78

Finding the Fourth Proportional to 25,157.83, 37,742.58 and 7,387.78

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Solution

The fourth proportional to 25,157.83, 37,742.58 and 7,387.78 is: 11,083.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,157.83 : 37,742.58 = 7,387.78 : x
  2. Step 2: Convert to fraction form
    25,157.83/37,742.58 = 7,387.78/x
  3. Step 3: Cross multiply
    25,157.83x = 37,742.58 × 7,387.78
  4. Step 4: Simplify right side
    25,157.83x = 278,833,877.67
  5. Step 5: Solve for x
    x = 278,833,877.67/25,157.83
  6. Step 6: Final answer
    x = 11,083.38

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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.