Home / 27,955.10-38,576.32-15,208.18

Finding the Fourth Proportional to 27,955.10, 38,576.32 and 15,208.18

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Solution

The fourth proportional to 27,955.10, 38,576.32 and 15,208.18 is: 20,986.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,955.10 : 38,576.32 = 15,208.18 : x
  2. Step 2: Convert to fraction form
    27,955.10/38,576.32 = 15,208.18/x
  3. Step 3: Cross multiply
    27,955.10x = 38,576.32 × 15,208.18
  4. Step 4: Simplify right side
    27,955.10x = 586,675,483.84
  5. Step 5: Solve for x
    x = 586,675,483.84/27,955.10
  6. Step 6: Final answer
    x = 20,986.35

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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.