Home / 27,933.64-38,547.14-15,358.36

Finding the Fourth Proportional to 27,933.64, 38,547.14 and 15,358.36

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Solution

The fourth proportional to 27,933.64, 38,547.14 and 15,358.36 is: 21,193.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,933.64 : 38,547.14 = 15,358.36 : x
  2. Step 2: Convert to fraction form
    27,933.64/38,547.14 = 15,358.36/x
  3. Step 3: Cross multiply
    27,933.64x = 38,547.14 × 15,358.36
  4. Step 4: Simplify right side
    27,933.64x = 592,020,853.09
  5. Step 5: Solve for x
    x = 592,020,853.09/27,933.64
  6. Step 6: Final answer
    x = 21,193.83

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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.