Home / 27,880.33-38,474.95-15,133.52

Finding the Fourth Proportional to 27,880.33, 38,474.95 and 15,133.52

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Solution

The fourth proportional to 27,880.33, 38,474.95 and 15,133.52 is: 20,884.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,880.33 : 38,474.95 = 15,133.52 : x
  2. Step 2: Convert to fraction form
    27,880.33/38,474.95 = 15,133.52/x
  3. Step 3: Cross multiply
    27,880.33x = 38,474.95 × 15,133.52
  4. Step 4: Simplify right side
    27,880.33x = 582,261,445.84
  5. Step 5: Solve for x
    x = 582,261,445.84/27,880.33
  6. Step 6: Final answer
    x = 20,884.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.