Home / 28,746.70-43,124.10-9,023.20

Finding the Fourth Proportional to 28,746.70, 43,124.10 and 9,023.20

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Solution

The fourth proportional to 28,746.70, 43,124.10 and 9,023.20 is: 13,536.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,746.70 : 43,124.10 = 9,023.20 : x
  2. Step 2: Convert to fraction form
    28,746.70/43,124.10 = 9,023.20/x
  3. Step 3: Cross multiply
    28,746.70x = 43,124.10 × 9,023.20
  4. Step 4: Simplify right side
    28,746.70x = 389,117,379.12
  5. Step 5: Solve for x
    x = 389,117,379.12/28,746.70
  6. Step 6: Final answer
    x = 13,536.07

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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.