Home / 27,008.83-40,513.28-7,287.40

Finding the Fourth Proportional to 27,008.83, 40,513.28 and 7,287.40

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Solution

The fourth proportional to 27,008.83, 40,513.28 and 7,287.40 is: 10,931.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,008.83 : 40,513.28 = 7,287.40 : x
  2. Step 2: Convert to fraction form
    27,008.83/40,513.28 = 7,287.40/x
  3. Step 3: Cross multiply
    27,008.83x = 40,513.28 × 7,287.40
  4. Step 4: Simplify right side
    27,008.83x = 295,236,476.67
  5. Step 5: Solve for x
    x = 295,236,476.67/27,008.83
  6. Step 6: Final answer
    x = 10,931.11

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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.