Home / 19,299.59-28,898.63-15,531.33

Finding the Fourth Proportional to 19,299.59, 28,898.63 and 15,531.33

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Solution

The fourth proportional to 19,299.59, 28,898.63 and 15,531.33 is: 23,256.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,299.59 : 28,898.63 = 15,531.33 : x
  2. Step 2: Convert to fraction form
    19,299.59/28,898.63 = 15,531.33/x
  3. Step 3: Cross multiply
    19,299.59x = 28,898.63 × 15,531.33
  4. Step 4: Simplify right side
    19,299.59x = 448,834,081.42
  5. Step 5: Solve for x
    x = 448,834,081.42/19,299.59
  6. Step 6: Final answer
    x = 23,256.15

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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.