Home / 20,827.09-31,240.36-5,032

Finding the Fourth Proportional to 20,827.09, 31,240.36 and 5,032

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Solution

The fourth proportional to 20,827.09, 31,240.36 and 5,032 is: 7,547.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,827.09 : 31,240.36 = 5,032 : x
  2. Step 2: Convert to fraction form
    20,827.09/31,240.36 = 5,032/x
  3. Step 3: Cross multiply
    20,827.09x = 31,240.36 × 5,032
  4. Step 4: Simplify right side
    20,827.09x = 157,201,491.52
  5. Step 5: Solve for x
    x = 157,201,491.52/20,827.09
  6. Step 6: Final answer
    x = 7,547.93

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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.