Home / 25,802.72-38,685.84-13,317.44

Finding the Fourth Proportional to 25,802.72, 38,685.84 and 13,317.44

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Solution

The fourth proportional to 25,802.72, 38,685.84 and 13,317.44 is: 19,966.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,802.72 : 38,685.84 = 13,317.44 : x
  2. Step 2: Convert to fraction form
    25,802.72/38,685.84 = 13,317.44/x
  3. Step 3: Cross multiply
    25,802.72x = 38,685.84 × 13,317.44
  4. Step 4: Simplify right side
    25,802.72x = 515,196,353.05
  5. Step 5: Solve for x
    x = 515,196,353.05/25,802.72
  6. Step 6: Final answer
    x = 19,966.75

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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.