Home / 25,203.66-34,776.99-15,130.50

Finding the Fourth Proportional to 25,203.66, 34,776.99 and 15,130.50

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Solution

The fourth proportional to 25,203.66, 34,776.99 and 15,130.50 is: 20,877.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,203.66 : 34,776.99 = 15,130.50 : x
  2. Step 2: Convert to fraction form
    25,203.66/34,776.99 = 15,130.50/x
  3. Step 3: Cross multiply
    25,203.66x = 34,776.99 × 15,130.50
  4. Step 4: Simplify right side
    25,203.66x = 526,193,247.20
  5. Step 5: Solve for x
    x = 526,193,247.20/25,203.66
  6. Step 6: Final answer
    x = 20,877.65

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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.