Home / 27,354.17-37,697.21-19,787.65

Finding the Fourth Proportional to 27,354.17, 37,697.21 and 19,787.65

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Solution

The fourth proportional to 27,354.17, 37,697.21 and 19,787.65 is: 27,269.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,354.17 : 37,697.21 = 19,787.65 : x
  2. Step 2: Convert to fraction form
    27,354.17/37,697.21 = 19,787.65/x
  3. Step 3: Cross multiply
    27,354.17x = 37,697.21 × 19,787.65
  4. Step 4: Simplify right side
    27,354.17x = 745,939,197.46
  5. Step 5: Solve for x
    x = 745,939,197.46/27,354.17
  6. Step 6: Final answer
    x = 27,269.67

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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.