Home / 28,967.93-43,468.34-15,640.76

Finding the Fourth Proportional to 28,967.93, 43,468.34 and 15,640.76

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Solution

The fourth proportional to 28,967.93, 43,468.34 and 15,640.76 is: 23,470.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,967.93 : 43,468.34 = 15,640.76 : x
  2. Step 2: Convert to fraction form
    28,967.93/43,468.34 = 15,640.76/x
  3. Step 3: Cross multiply
    28,967.93x = 43,468.34 × 15,640.76
  4. Step 4: Simplify right side
    28,967.93x = 679,877,577.99
  5. Step 5: Solve for x
    x = 679,877,577.99/28,967.93
  6. Step 6: Final answer
    x = 23,470.01

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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.