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Finding the Fourth Proportional to 59,381.88, 89,075.87 and 15,009.01

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Solution

The fourth proportional to 59,381.88, 89,075.87 and 15,009.01 is: 22,514.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,381.88 : 89,075.87 = 15,009.01 : x
  2. Step 2: Convert to fraction form
    59,381.88/89,075.87 = 15,009.01/x
  3. Step 3: Cross multiply
    59,381.88x = 89,075.87 × 15,009.01
  4. Step 4: Simplify right side
    59,381.88x = 1,336,940,382.14
  5. Step 5: Solve for x
    x = 1,336,940,382.14/59,381.88
  6. Step 6: Final answer
    x = 22,514.28

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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.