Home / 27,809.28-41,718.18-9,345.60

Finding the Fourth Proportional to 27,809.28, 41,718.18 and 9,345.60

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Solution

The fourth proportional to 27,809.28, 41,718.18 and 9,345.60 is: 14,019.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,809.28 : 41,718.18 = 9,345.60 : x
  2. Step 2: Convert to fraction form
    27,809.28/41,718.18 = 9,345.60/x
  3. Step 3: Cross multiply
    27,809.28x = 41,718.18 × 9,345.60
  4. Step 4: Simplify right side
    27,809.28x = 389,881,423.01
  5. Step 5: Solve for x
    x = 389,881,423.01/27,809.28
  6. Step 6: Final answer
    x = 14,019.83

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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.