Home / 27,398.50-37,809.28-15,461.52

Finding the Fourth Proportional to 27,398.50, 37,809.28 and 15,461.52

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Solution

The fourth proportional to 27,398.50, 37,809.28 and 15,461.52 is: 21,336.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,398.50 : 37,809.28 = 15,461.52 : x
  2. Step 2: Convert to fraction form
    27,398.50/37,809.28 = 15,461.52/x
  3. Step 3: Cross multiply
    27,398.50x = 37,809.28 × 15,461.52
  4. Step 4: Simplify right side
    27,398.50x = 584,588,938.91
  5. Step 5: Solve for x
    x = 584,588,938.91/27,398.50
  6. Step 6: Final answer
    x = 21,336.53

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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.