Home / 28,580.42-42,880.95-15,239.39

Finding the Fourth Proportional to 28,580.42, 42,880.95 and 15,239.39

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Solution

The fourth proportional to 28,580.42, 42,880.95 and 15,239.39 is: 22,864.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,580.42 : 42,880.95 = 15,239.39 : x
  2. Step 2: Convert to fraction form
    28,580.42/42,880.95 = 15,239.39/x
  3. Step 3: Cross multiply
    28,580.42x = 42,880.95 × 15,239.39
  4. Step 4: Simplify right side
    28,580.42x = 653,479,230.02
  5. Step 5: Solve for x
    x = 653,479,230.02/28,580.42
  6. Step 6: Final answer
    x = 22,864.58

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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.