Home / 27,931.91-41,888.96-9,208.46

Finding the Fourth Proportional to 27,931.91, 41,888.96 and 9,208.46

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Solution

The fourth proportional to 27,931.91, 41,888.96 and 9,208.46 is: 13,809.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,931.91 : 41,888.96 = 9,208.46 : x
  2. Step 2: Convert to fraction form
    27,931.91/41,888.96 = 9,208.46/x
  3. Step 3: Cross multiply
    27,931.91x = 41,888.96 × 9,208.46
  4. Step 4: Simplify right side
    27,931.91x = 385,732,557.11
  5. Step 5: Solve for x
    x = 385,732,557.11/27,931.91
  6. Step 6: Final answer
    x = 13,809.75

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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.