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Finding the Fourth Proportional to 15,301.80, 22,825.53 and 15,048.05

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Solution

The fourth proportional to 15,301.80, 22,825.53 and 15,048.05 is: 22,447.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,301.80 : 22,825.53 = 15,048.05 : x
  2. Step 2: Convert to fraction form
    15,301.80/22,825.53 = 15,048.05/x
  3. Step 3: Cross multiply
    15,301.80x = 22,825.53 × 15,048.05
  4. Step 4: Simplify right side
    15,301.80x = 343,479,602.59
  5. Step 5: Solve for x
    x = 343,479,602.59/15,301.80
  6. Step 6: Final answer
    x = 22,447.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.