Home / 28,756.14-43,159.96-14,725.78

Finding the Fourth Proportional to 28,756.14, 43,159.96 and 14,725.78

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Solution

The fourth proportional to 28,756.14, 43,159.96 and 14,725.78 is: 22,101.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,756.14 : 43,159.96 = 14,725.78 : x
  2. Step 2: Convert to fraction form
    28,756.14/43,159.96 = 14,725.78/x
  3. Step 3: Cross multiply
    28,756.14x = 43,159.96 × 14,725.78
  4. Step 4: Simplify right side
    28,756.14x = 635,564,075.77
  5. Step 5: Solve for x
    x = 635,564,075.77/28,756.14
  6. Step 6: Final answer
    x = 22,101.86

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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.