Home / 27,351.36-37,746.18-15,415.98

Finding the Fourth Proportional to 27,351.36, 37,746.18 and 15,415.98

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Solution

The fourth proportional to 27,351.36, 37,746.18 and 15,415.98 is: 21,274.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,351.36 : 37,746.18 = 15,415.98 : x
  2. Step 2: Convert to fraction form
    27,351.36/37,746.18 = 15,415.98/x
  3. Step 3: Cross multiply
    27,351.36x = 37,746.18 × 15,415.98
  4. Step 4: Simplify right side
    27,351.36x = 581,894,355.96
  5. Step 5: Solve for x
    x = 581,894,355.96/27,351.36
  6. Step 6: Final answer
    x = 21,274.79

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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.