Home / 27,800.49-38,364.61-15,053.69

Finding the Fourth Proportional to 27,800.49, 38,364.61 and 15,053.69

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Solution

The fourth proportional to 27,800.49, 38,364.61 and 15,053.69 is: 20,774.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,800.49 : 38,364.61 = 15,053.69 : x
  2. Step 2: Convert to fraction form
    27,800.49/38,364.61 = 15,053.69/x
  3. Step 3: Cross multiply
    27,800.49x = 38,364.61 × 15,053.69
  4. Step 4: Simplify right side
    27,800.49x = 577,528,716.45
  5. Step 5: Solve for x
    x = 577,528,716.45/27,800.49
  6. Step 6: Final answer
    x = 20,774.05

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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.