Home / 27,886.17-38,483.06-15,950.01

Finding the Fourth Proportional to 27,886.17, 38,483.06 and 15,950.01

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Solution

The fourth proportional to 27,886.17, 38,483.06 and 15,950.01 is: 22,011.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,886.17 : 38,483.06 = 15,950.01 : x
  2. Step 2: Convert to fraction form
    27,886.17/38,483.06 = 15,950.01/x
  3. Step 3: Cross multiply
    27,886.17x = 38,483.06 × 15,950.01
  4. Step 4: Simplify right side
    27,886.17x = 613,805,112.08
  5. Step 5: Solve for x
    x = 613,805,112.08/27,886.17
  6. Step 6: Final answer
    x = 22,011.09

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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.