Home / 25,971.66-38,943.62-13,479.10

Finding the Fourth Proportional to 25,971.66, 38,943.62 and 13,479.10

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Solution

The fourth proportional to 25,971.66, 38,943.62 and 13,479.10 is: 20,211.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,971.66 : 38,943.62 = 13,479.10 : x
  2. Step 2: Convert to fraction form
    25,971.66/38,943.62 = 13,479.10/x
  3. Step 3: Cross multiply
    25,971.66x = 38,943.62 × 13,479.10
  4. Step 4: Simplify right side
    25,971.66x = 524,924,948.34
  5. Step 5: Solve for x
    x = 524,924,948.34/25,971.66
  6. Step 6: Final answer
    x = 20,211.45

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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.