Home / 27,088.15-40,622.12-9,313.78

Finding the Fourth Proportional to 27,088.15, 40,622.12 and 9,313.78

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Solution

The fourth proportional to 27,088.15, 40,622.12 and 9,313.78 is: 13,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,088.15 : 40,622.12 = 9,313.78 : x
  2. Step 2: Convert to fraction form
    27,088.15/40,622.12 = 9,313.78/x
  3. Step 3: Cross multiply
    27,088.15x = 40,622.12 × 9,313.78
  4. Step 4: Simplify right side
    27,088.15x = 378,345,488.81
  5. Step 5: Solve for x
    x = 378,345,488.81/27,088.15
  6. Step 6: Final answer
    x = 13,967.20

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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.