Home / 27,780.36-38,330.46-16,444.14

Finding the Fourth Proportional to 27,780.36, 38,330.46 and 16,444.14

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Solution

The fourth proportional to 27,780.36, 38,330.46 and 16,444.14 is: 22,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,780.36 : 38,330.46 = 16,444.14 : x
  2. Step 2: Convert to fraction form
    27,780.36/38,330.46 = 16,444.14/x
  3. Step 3: Cross multiply
    27,780.36x = 38,330.46 × 16,444.14
  4. Step 4: Simplify right side
    27,780.36x = 630,311,450.50
  5. Step 5: Solve for x
    x = 630,311,450.50/27,780.36
  6. Step 6: Final answer
    x = 22,689.10

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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.