Home / 25,889.22-38,830.59-10,317.78

Finding the Fourth Proportional to 25,889.22, 38,830.59 and 10,317.78

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Solution

The fourth proportional to 25,889.22, 38,830.59 and 10,317.78 is: 15,475.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,889.22 : 38,830.59 = 10,317.78 : x
  2. Step 2: Convert to fraction form
    25,889.22/38,830.59 = 10,317.78/x
  3. Step 3: Cross multiply
    25,889.22x = 38,830.59 × 10,317.78
  4. Step 4: Simplify right side
    25,889.22x = 400,645,484.89
  5. Step 5: Solve for x
    x = 400,645,484.89/25,889.22
  6. Step 6: Final answer
    x = 15,475.38

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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.