Home / 38,448.64-57,646.08-17,660.80

Finding the Fourth Proportional to 38,448.64, 57,646.08 and 17,660.80

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Solution

The fourth proportional to 38,448.64, 57,646.08 and 17,660.80 is: 26,478.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,448.64 : 57,646.08 = 17,660.80 : x
  2. Step 2: Convert to fraction form
    38,448.64/57,646.08 = 17,660.80/x
  3. Step 3: Cross multiply
    38,448.64x = 57,646.08 × 17,660.80
  4. Step 4: Simplify right side
    38,448.64x = 1,018,075,889.66
  5. Step 5: Solve for x
    x = 1,018,075,889.66/38,448.64
  6. Step 6: Final answer
    x = 26,478.85

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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.