Home / 25,256.78-37,885.77-10,455.65

Finding the Fourth Proportional to 25,256.78, 37,885.77 and 10,455.65

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Solution

The fourth proportional to 25,256.78, 37,885.77 and 10,455.65 is: 15,683.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,256.78 : 37,885.77 = 10,455.65 : x
  2. Step 2: Convert to fraction form
    25,256.78/37,885.77 = 10,455.65/x
  3. Step 3: Cross multiply
    25,256.78x = 37,885.77 × 10,455.65
  4. Step 4: Simplify right side
    25,256.78x = 396,120,351.10
  5. Step 5: Solve for x
    x = 396,120,351.10/25,256.78
  6. Step 6: Final answer
    x = 15,683.72

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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.