Home / 27,215.39-40,794.38-12,434.01

Finding the Fourth Proportional to 27,215.39, 40,794.38 and 12,434.01

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Solution

The fourth proportional to 27,215.39, 40,794.38 and 12,434.01 is: 18,637.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,215.39 : 40,794.38 = 12,434.01 : x
  2. Step 2: Convert to fraction form
    27,215.39/40,794.38 = 12,434.01/x
  3. Step 3: Cross multiply
    27,215.39x = 40,794.38 × 12,434.01
  4. Step 4: Simplify right side
    27,215.39x = 507,237,630.28
  5. Step 5: Solve for x
    x = 507,237,630.28/27,215.39
  6. Step 6: Final answer
    x = 18,637.90

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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.