Home / 28,422.07-39,199.34-25,011.72

Finding the Fourth Proportional to 28,422.07, 39,199.34 and 25,011.72

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Solution

The fourth proportional to 28,422.07, 39,199.34 and 25,011.72 is: 34,495.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,422.07 : 39,199.34 = 25,011.72 : x
  2. Step 2: Convert to fraction form
    28,422.07/39,199.34 = 25,011.72/x
  3. Step 3: Cross multiply
    28,422.07x = 39,199.34 × 25,011.72
  4. Step 4: Simplify right side
    28,422.07x = 980,442,978.79
  5. Step 5: Solve for x
    x = 980,442,978.79/28,422.07
  6. Step 6: Final answer
    x = 34,495.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.