Home / 28,733.22-43,113.95-12,949.16

Finding the Fourth Proportional to 28,733.22, 43,113.95 and 12,949.16

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Solution

The fourth proportional to 28,733.22, 43,113.95 and 12,949.16 is: 19,430.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733.22 : 43,113.95 = 12,949.16 : x
  2. Step 2: Convert to fraction form
    28,733.22/43,113.95 = 12,949.16/x
  3. Step 3: Cross multiply
    28,733.22x = 43,113.95 × 12,949.16
  4. Step 4: Simplify right side
    28,733.22x = 558,289,156.47
  5. Step 5: Solve for x
    x = 558,289,156.47/28,733.22
  6. Step 6: Final answer
    x = 19,430.09

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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.