Home / 23,530.50-35,307.90-15,638.47

Finding the Fourth Proportional to 23,530.50, 35,307.90 and 15,638.47

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Solution

The fourth proportional to 23,530.50, 35,307.90 and 15,638.47 is: 23,465.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,530.50 : 35,307.90 = 15,638.47 : x
  2. Step 2: Convert to fraction form
    23,530.50/35,307.90 = 15,638.47/x
  3. Step 3: Cross multiply
    23,530.50x = 35,307.90 × 15,638.47
  4. Step 4: Simplify right side
    23,530.50x = 552,161,446.64
  5. Step 5: Solve for x
    x = 552,161,446.64/23,530.50
  6. Step 6: Final answer
    x = 23,465.78

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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.