Home / 25,337.78-37,998.40-10,542.72

Finding the Fourth Proportional to 25,337.78, 37,998.40 and 10,542.72

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Solution

The fourth proportional to 25,337.78, 37,998.40 and 10,542.72 is: 15,810.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,337.78 : 37,998.40 = 10,542.72 : x
  2. Step 2: Convert to fraction form
    25,337.78/37,998.40 = 10,542.72/x
  3. Step 3: Cross multiply
    25,337.78x = 37,998.40 × 10,542.72
  4. Step 4: Simplify right side
    25,337.78x = 400,606,491.65
  5. Step 5: Solve for x
    x = 400,606,491.65/25,337.78
  6. Step 6: Final answer
    x = 15,810.64

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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.