Home / 27,892.08-38,491.28-15,954.68

Finding the Fourth Proportional to 27,892.08, 38,491.28 and 15,954.68

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Solution

The fourth proportional to 27,892.08, 38,491.28 and 15,954.68 is: 22,017.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,892.08 : 38,491.28 = 15,954.68 : x
  2. Step 2: Convert to fraction form
    27,892.08/38,491.28 = 15,954.68/x
  3. Step 3: Cross multiply
    27,892.08x = 38,491.28 × 15,954.68
  4. Step 4: Simplify right side
    27,892.08x = 614,116,055.19
  5. Step 5: Solve for x
    x = 614,116,055.19/27,892.08
  6. Step 6: Final answer
    x = 22,017.58

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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.