Home / 28,696.95-43,051.34-12,047.20

Finding the Fourth Proportional to 28,696.95, 43,051.34 and 12,047.20

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Solution

The fourth proportional to 28,696.95, 43,051.34 and 12,047.20 is: 18,073.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,696.95 : 43,051.34 = 12,047.20 : x
  2. Step 2: Convert to fraction form
    28,696.95/43,051.34 = 12,047.20/x
  3. Step 3: Cross multiply
    28,696.95x = 43,051.34 × 12,047.20
  4. Step 4: Simplify right side
    28,696.95x = 518,648,025.74
  5. Step 5: Solve for x
    x = 518,648,025.74/28,696.95
  6. Step 6: Final answer
    x = 18,073.28

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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.