Home / 28,930.04-43,355.64-17,689.31

Finding the Fourth Proportional to 28,930.04, 43,355.64 and 17,689.31

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Solution

The fourth proportional to 28,930.04, 43,355.64 and 17,689.31 is: 26,509.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,930.04 : 43,355.64 = 17,689.31 : x
  2. Step 2: Convert to fraction form
    28,930.04/43,355.64 = 17,689.31/x
  3. Step 3: Cross multiply
    28,930.04x = 43,355.64 × 17,689.31
  4. Step 4: Simplify right side
    28,930.04x = 766,931,530.93
  5. Step 5: Solve for x
    x = 766,931,530.93/28,930.04
  6. Step 6: Final answer
    x = 26,509.87

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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.