Home / 25,619.02-38,434-8,980.07

Finding the Fourth Proportional to 25,619.02, 38,434 and 8,980.07

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Solution

The fourth proportional to 25,619.02, 38,434 and 8,980.07 is: 13,472.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,619.02 : 38,434 = 8,980.07 : x
  2. Step 2: Convert to fraction form
    25,619.02/38,434 = 8,980.07/x
  3. Step 3: Cross multiply
    25,619.02x = 38,434 × 8,980.07
  4. Step 4: Simplify right side
    25,619.02x = 345,140,010.38
  5. Step 5: Solve for x
    x = 345,140,010.38/25,619.02
  6. Step 6: Final answer
    x = 13,472.02

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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.