Home / 27,971.88-42,124.47-25,230.12

Finding the Fourth Proportional to 27,971.88, 42,124.47 and 25,230.12

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Solution

The fourth proportional to 27,971.88, 42,124.47 and 25,230.12 is: 37,995.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,971.88 : 42,124.47 = 25,230.12 : x
  2. Step 2: Convert to fraction form
    27,971.88/42,124.47 = 25,230.12/x
  3. Step 3: Cross multiply
    27,971.88x = 42,124.47 × 25,230.12
  4. Step 4: Simplify right side
    27,971.88x = 1,062,805,433.04
  5. Step 5: Solve for x
    x = 1,062,805,433.04/27,971.88
  6. Step 6: Final answer
    x = 37,995.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.