Home / 19,427.31-29,140.16-5,576.31

Finding the Fourth Proportional to 19,427.31, 29,140.16 and 5,576.31

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Solution

The fourth proportional to 19,427.31, 29,140.16 and 5,576.31 is: 8,364.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427.31 : 29,140.16 = 5,576.31 : x
  2. Step 2: Convert to fraction form
    19,427.31/29,140.16 = 5,576.31/x
  3. Step 3: Cross multiply
    19,427.31x = 29,140.16 × 5,576.31
  4. Step 4: Simplify right side
    19,427.31x = 162,494,537.73
  5. Step 5: Solve for x
    x = 162,494,537.73/19,427.31
  6. Step 6: Final answer
    x = 8,364.23

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1.5x scale

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.