Home / 27,382.55-37,787.09-15,283.37

Finding the Fourth Proportional to 27,382.55, 37,787.09 and 15,283.37

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Solution

The fourth proportional to 27,382.55, 37,787.09 and 15,283.37 is: 21,090.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,382.55 : 37,787.09 = 15,283.37 : x
  2. Step 2: Convert to fraction form
    27,382.55/37,787.09 = 15,283.37/x
  3. Step 3: Cross multiply
    27,382.55x = 37,787.09 × 15,283.37
  4. Step 4: Simplify right side
    27,382.55x = 577,513,812.34
  5. Step 5: Solve for x
    x = 577,513,812.34/27,382.55
  6. Step 6: Final answer
    x = 21,090.58

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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.