Home / 25,927.80-35,774.28-15,319.02

Finding the Fourth Proportional to 25,927.80, 35,774.28 and 15,319.02

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Solution

The fourth proportional to 25,927.80, 35,774.28 and 15,319.02 is: 21,136.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,927.80 : 35,774.28 = 15,319.02 : x
  2. Step 2: Convert to fraction form
    25,927.80/35,774.28 = 15,319.02/x
  3. Step 3: Cross multiply
    25,927.80x = 35,774.28 × 15,319.02
  4. Step 4: Simplify right side
    25,927.80x = 548,026,910.81
  5. Step 5: Solve for x
    x = 548,026,910.81/25,927.80
  6. Step 6: Final answer
    x = 21,136.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.