Home / 42,977.30-64,427.07-15,268.82

Finding the Fourth Proportional to 42,977.30, 64,427.07 and 15,268.82

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Solution

The fourth proportional to 42,977.30, 64,427.07 and 15,268.82 is: 22,889.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,977.30 : 64,427.07 = 15,268.82 : x
  2. Step 2: Convert to fraction form
    42,977.30/64,427.07 = 15,268.82/x
  3. Step 3: Cross multiply
    42,977.30x = 64,427.07 × 15,268.82
  4. Step 4: Simplify right side
    42,977.30x = 983,725,334.96
  5. Step 5: Solve for x
    x = 983,725,334.96/42,977.30
  6. Step 6: Final answer
    x = 22,889.42

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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.