Home / 42,825.66-64,238.49-17,877.47

Finding the Fourth Proportional to 42,825.66, 64,238.49 and 17,877.47

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Solution

The fourth proportional to 42,825.66, 64,238.49 and 17,877.47 is: 26,816.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,825.66 : 64,238.49 = 17,877.47 : x
  2. Step 2: Convert to fraction form
    42,825.66/64,238.49 = 17,877.47/x
  3. Step 3: Cross multiply
    42,825.66x = 64,238.49 × 17,877.47
  4. Step 4: Simplify right side
    42,825.66x = 1,148,421,356.63
  5. Step 5: Solve for x
    x = 1,148,421,356.63/42,825.66
  6. Step 6: Final answer
    x = 26,816.20

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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.