Home / 28,916.07-43,421.19-17,892.99

Finding the Fourth Proportional to 28,916.07, 43,421.19 and 17,892.99

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Solution

The fourth proportional to 28,916.07, 43,421.19 and 17,892.99 is: 26,868.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,916.07 : 43,421.19 = 17,892.99 : x
  2. Step 2: Convert to fraction form
    28,916.07/43,421.19 = 17,892.99/x
  3. Step 3: Cross multiply
    28,916.07x = 43,421.19 × 17,892.99
  4. Step 4: Simplify right side
    28,916.07x = 776,934,918.46
  5. Step 5: Solve for x
    x = 776,934,918.46/28,916.07
  6. Step 6: Final answer
    x = 26,868.62

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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.