Home / 27,332.51-40,906.16-16,809.20

Finding the Fourth Proportional to 27,332.51, 40,906.16 and 16,809.20

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Solution

The fourth proportional to 27,332.51, 40,906.16 and 16,809.20 is: 25,156.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,332.51 : 40,906.16 = 16,809.20 : x
  2. Step 2: Convert to fraction form
    27,332.51/40,906.16 = 16,809.20/x
  3. Step 3: Cross multiply
    27,332.51x = 40,906.16 × 16,809.20
  4. Step 4: Simplify right side
    27,332.51x = 687,599,536.10
  5. Step 5: Solve for x
    x = 687,599,536.10/27,332.51
  6. Step 6: Final answer
    x = 25,156.84

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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.