Home / 19,265.78-28,898.24-8,877.53

Finding the Fourth Proportional to 19,265.78, 28,898.24 and 8,877.53

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Solution

The fourth proportional to 19,265.78, 28,898.24 and 8,877.53 is: 13,316.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,265.78 : 28,898.24 = 8,877.53 : x
  2. Step 2: Convert to fraction form
    19,265.78/28,898.24 = 8,877.53/x
  3. Step 3: Cross multiply
    19,265.78x = 28,898.24 × 8,877.53
  4. Step 4: Simplify right side
    19,265.78x = 256,544,992.55
  5. Step 5: Solve for x
    x = 256,544,992.55/19,265.78
  6. Step 6: Final answer
    x = 13,316.10

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1.5x scale

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.