Home / 25,987.60-38,914.98-14,287.96

Finding the Fourth Proportional to 25,987.60, 38,914.98 and 14,287.96

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Solution

The fourth proportional to 25,987.60, 38,914.98 and 14,287.96 is: 21,395.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,987.60 : 38,914.98 = 14,287.96 : x
  2. Step 2: Convert to fraction form
    25,987.60/38,914.98 = 14,287.96/x
  3. Step 3: Cross multiply
    25,987.60x = 38,914.98 × 14,287.96
  4. Step 4: Simplify right side
    25,987.60x = 556,015,677.64
  5. Step 5: Solve for x
    x = 556,015,677.64/25,987.60
  6. Step 6: Final answer
    x = 21,395.42

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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.