Home / 27,800.11-38,364.23-15,053.45

Finding the Fourth Proportional to 27,800.11, 38,364.23 and 15,053.45

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Solution

The fourth proportional to 27,800.11, 38,364.23 and 15,053.45 is: 20,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,800.11 : 38,364.23 = 15,053.45 : x
  2. Step 2: Convert to fraction form
    27,800.11/38,364.23 = 15,053.45/x
  3. Step 3: Cross multiply
    27,800.11x = 38,364.23 × 15,053.45
  4. Step 4: Simplify right side
    27,800.11x = 577,513,863.91
  5. Step 5: Solve for x
    x = 577,513,863.91/27,800.11
  6. Step 6: Final answer
    x = 20,773.80

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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.