Home / 27,913.47-38,509.68-15,970.41

Finding the Fourth Proportional to 27,913.47, 38,509.68 and 15,970.41

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Solution

The fourth proportional to 27,913.47, 38,509.68 and 15,970.41 is: 22,032.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,913.47 : 38,509.68 = 15,970.41 : x
  2. Step 2: Convert to fraction form
    27,913.47/38,509.68 = 15,970.41/x
  3. Step 3: Cross multiply
    27,913.47x = 38,509.68 × 15,970.41
  4. Step 4: Simplify right side
    27,913.47x = 615,015,378.57
  5. Step 5: Solve for x
    x = 615,015,378.57/27,913.47
  6. Step 6: Final answer
    x = 22,032.92

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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.