Home / 42,846.88-64,272.16-13,265.26

Finding the Fourth Proportional to 42,846.88, 64,272.16 and 13,265.26

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Solution

The fourth proportional to 42,846.88, 64,272.16 and 13,265.26 is: 19,898.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,846.88 : 64,272.16 = 13,265.26 : x
  2. Step 2: Convert to fraction form
    42,846.88/64,272.16 = 13,265.26/x
  3. Step 3: Cross multiply
    42,846.88x = 64,272.16 × 13,265.26
  4. Step 4: Simplify right side
    42,846.88x = 852,586,913.16
  5. Step 5: Solve for x
    x = 852,586,913.16/42,846.88
  6. Step 6: Final answer
    x = 19,898.46

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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.