Home / 27,846.34-38,427.48-15,746.63

Finding the Fourth Proportional to 27,846.34, 38,427.48 and 15,746.63

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Solution

The fourth proportional to 27,846.34, 38,427.48 and 15,746.63 is: 21,730.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,846.34 : 38,427.48 = 15,746.63 : x
  2. Step 2: Convert to fraction form
    27,846.34/38,427.48 = 15,746.63/x
  3. Step 3: Cross multiply
    27,846.34x = 38,427.48 × 15,746.63
  4. Step 4: Simplify right side
    27,846.34x = 605,103,309.39
  5. Step 5: Solve for x
    x = 605,103,309.39/27,846.34
  6. Step 6: Final answer
    x = 21,730.08

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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.