Home / 27,928.80-38,547.77-17,182.80

Finding the Fourth Proportional to 27,928.80, 38,547.77 and 17,182.80

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Solution

The fourth proportional to 27,928.80, 38,547.77 and 17,182.80 is: 23,715.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,928.80 : 38,547.77 = 17,182.80 : x
  2. Step 2: Convert to fraction form
    27,928.80/38,547.77 = 17,182.80/x
  3. Step 3: Cross multiply
    27,928.80x = 38,547.77 × 17,182.80
  4. Step 4: Simplify right side
    27,928.80x = 662,358,536.44
  5. Step 5: Solve for x
    x = 662,358,536.44/27,928.80
  6. Step 6: Final answer
    x = 23,715.97

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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.