Home / 27,079.12-40,607.88-10,429.84

Finding the Fourth Proportional to 27,079.12, 40,607.88 and 10,429.84

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Solution

The fourth proportional to 27,079.12, 40,607.88 and 10,429.84 is: 15,640.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,079.12 : 40,607.88 = 10,429.84 : x
  2. Step 2: Convert to fraction form
    27,079.12/40,607.88 = 10,429.84/x
  3. Step 3: Cross multiply
    27,079.12x = 40,607.88 × 10,429.84
  4. Step 4: Simplify right side
    27,079.12x = 423,533,691.14
  5. Step 5: Solve for x
    x = 423,533,691.14/27,079.12
  6. Step 6: Final answer
    x = 15,640.60

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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.