Home / 27,281.48-37,645.78-15,344.56

Finding the Fourth Proportional to 27,281.48, 37,645.78 and 15,344.56

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Solution

The fourth proportional to 27,281.48, 37,645.78 and 15,344.56 is: 21,174.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,281.48 : 37,645.78 = 15,344.56 : x
  2. Step 2: Convert to fraction form
    27,281.48/37,645.78 = 15,344.56/x
  3. Step 3: Cross multiply
    27,281.48x = 37,645.78 × 15,344.56
  4. Step 4: Simplify right side
    27,281.48x = 577,657,929.96
  5. Step 5: Solve for x
    x = 577,657,929.96/27,281.48
  6. Step 6: Final answer
    x = 21,174.00

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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.