Home / 25,688.90-38,538.74-10,897.49

Finding the Fourth Proportional to 25,688.90, 38,538.74 and 10,897.49

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Solution

The fourth proportional to 25,688.90, 38,538.74 and 10,897.49 is: 16,348.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,688.90 : 38,538.74 = 10,897.49 : x
  2. Step 2: Convert to fraction form
    25,688.90/38,538.74 = 10,897.49/x
  3. Step 3: Cross multiply
    25,688.90x = 38,538.74 × 10,897.49
  4. Step 4: Simplify right side
    25,688.90x = 419,975,379.27
  5. Step 5: Solve for x
    x = 419,975,379.27/25,688.90
  6. Step 6: Final answer
    x = 16,348.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.