Home / 27,879.51-38,471.16-16,547.05

Finding the Fourth Proportional to 27,879.51, 38,471.16 and 16,547.05

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Solution

The fourth proportional to 27,879.51, 38,471.16 and 16,547.05 is: 22,833.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,879.51 : 38,471.16 = 16,547.05 : x
  2. Step 2: Convert to fraction form
    27,879.51/38,471.16 = 16,547.05/x
  3. Step 3: Cross multiply
    27,879.51x = 38,471.16 × 16,547.05
  4. Step 4: Simplify right side
    27,879.51x = 636,584,208.08
  5. Step 5: Solve for x
    x = 636,584,208.08/27,879.51
  6. Step 6: Final answer
    x = 22,833.41

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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.