Home / 27,036.72-40,576.01-18,774.72

Finding the Fourth Proportional to 27,036.72, 40,576.01 and 18,774.72

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Solution

The fourth proportional to 27,036.72, 40,576.01 and 18,774.72 is: 28,176.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,036.72 : 40,576.01 = 18,774.72 : x
  2. Step 2: Convert to fraction form
    27,036.72/40,576.01 = 18,774.72/x
  3. Step 3: Cross multiply
    27,036.72x = 40,576.01 × 18,774.72
  4. Step 4: Simplify right side
    27,036.72x = 761,803,132.59
  5. Step 5: Solve for x
    x = 761,803,132.59/27,036.72
  6. Step 6: Final answer
    x = 28,176.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.