Home / 27,576.81-38,059.94-15,478.58

Finding the Fourth Proportional to 27,576.81, 38,059.94 and 15,478.58

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Solution

The fourth proportional to 27,576.81, 38,059.94 and 15,478.58 is: 21,362.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,576.81 : 38,059.94 = 15,478.58 : x
  2. Step 2: Convert to fraction form
    27,576.81/38,059.94 = 15,478.58/x
  3. Step 3: Cross multiply
    27,576.81x = 38,059.94 × 15,478.58
  4. Step 4: Simplify right side
    27,576.81x = 589,113,959.93
  5. Step 5: Solve for x
    x = 589,113,959.93/27,576.81
  6. Step 6: Final answer
    x = 21,362.66

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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.