Home / 56,869.88-85,323.66-17,427.36

Finding the Fourth Proportional to 56,869.88, 85,323.66 and 17,427.36

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Solution

The fourth proportional to 56,869.88, 85,323.66 and 17,427.36 is: 26,146.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,869.88 : 85,323.66 = 17,427.36 : x
  2. Step 2: Convert to fraction form
    56,869.88/85,323.66 = 17,427.36/x
  3. Step 3: Cross multiply
    56,869.88x = 85,323.66 × 17,427.36
  4. Step 4: Simplify right side
    56,869.88x = 1,486,966,139.34
  5. Step 5: Solve for x
    x = 1,486,966,139.34/56,869.88
  6. Step 6: Final answer
    x = 26,146.81

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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.