Home / 25,971.60-38,967.66-13,499.49

Finding the Fourth Proportional to 25,971.60, 38,967.66 and 13,499.49

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Solution

The fourth proportional to 25,971.60, 38,967.66 and 13,499.49 is: 20,254.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,971.60 : 38,967.66 = 13,499.49 : x
  2. Step 2: Convert to fraction form
    25,971.60/38,967.66 = 13,499.49/x
  3. Step 3: Cross multiply
    25,971.60x = 38,967.66 × 13,499.49
  4. Step 4: Simplify right side
    25,971.60x = 526,043,536.49
  5. Step 5: Solve for x
    x = 526,043,536.49/25,971.60
  6. Step 6: Final answer
    x = 20,254.57

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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.