Home / 27,901.09-38,503.77-15,325.84

Finding the Fourth Proportional to 27,901.09, 38,503.77 and 15,325.84

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Solution

The fourth proportional to 27,901.09, 38,503.77 and 15,325.84 is: 21,149.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,901.09 : 38,503.77 = 15,325.84 : x
  2. Step 2: Convert to fraction form
    27,901.09/38,503.77 = 15,325.84/x
  3. Step 3: Cross multiply
    27,901.09x = 38,503.77 × 15,325.84
  4. Step 4: Simplify right side
    27,901.09x = 590,102,618.42
  5. Step 5: Solve for x
    x = 590,102,618.42/27,901.09
  6. Step 6: Final answer
    x = 21,149.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.