Home / 17,660.64-26,500.80-15,075.36

Finding the Fourth Proportional to 17,660.64, 26,500.80 and 15,075.36

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Solution

The fourth proportional to 17,660.64, 26,500.80 and 15,075.36 is: 22,621.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,660.64 : 26,500.80 = 15,075.36 : x
  2. Step 2: Convert to fraction form
    17,660.64/26,500.80 = 15,075.36/x
  3. Step 3: Cross multiply
    17,660.64x = 26,500.80 × 15,075.36
  4. Step 4: Simplify right side
    17,660.64x = 399,509,100.29
  5. Step 5: Solve for x
    x = 399,509,100.29/17,660.64
  6. Step 6: Final answer
    x = 22,621.44

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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.