Home / 25,508.64-38,266.91-13,021.89

Finding the Fourth Proportional to 25,508.64, 38,266.91 and 13,021.89

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Solution

The fourth proportional to 25,508.64, 38,266.91 and 13,021.89 is: 19,534.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,508.64 : 38,266.91 = 13,021.89 : x
  2. Step 2: Convert to fraction form
    25,508.64/38,266.91 = 13,021.89/x
  3. Step 3: Cross multiply
    25,508.64x = 38,266.91 × 13,021.89
  4. Step 4: Simplify right side
    25,508.64x = 498,307,427.55
  5. Step 5: Solve for x
    x = 498,307,427.55/25,508.64
  6. Step 6: Final answer
    x = 19,534.85

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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.