Home / 28,715.91-43,024.40-22,403.25

Finding the Fourth Proportional to 28,715.91, 43,024.40 and 22,403.25

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Solution

The fourth proportional to 28,715.91, 43,024.40 and 22,403.25 is: 33,566.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,715.91 : 43,024.40 = 22,403.25 : x
  2. Step 2: Convert to fraction form
    28,715.91/43,024.40 = 22,403.25/x
  3. Step 3: Cross multiply
    28,715.91x = 43,024.40 × 22,403.25
  4. Step 4: Simplify right side
    28,715.91x = 963,886,440.24
  5. Step 5: Solve for x
    x = 963,886,440.24/28,715.91
  6. Step 6: Final answer
    x = 33,566.29

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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.