Home / 27,392.31-37,800.77-15,455.34

Finding the Fourth Proportional to 27,392.31, 37,800.77 and 15,455.34

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Solution

The fourth proportional to 27,392.31, 37,800.77 and 15,455.34 is: 21,328.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,392.31 : 37,800.77 = 15,455.34 : x
  2. Step 2: Convert to fraction form
    27,392.31/37,800.77 = 15,455.34/x
  3. Step 3: Cross multiply
    27,392.31x = 37,800.77 × 15,455.34
  4. Step 4: Simplify right side
    27,392.31x = 584,223,752.61
  5. Step 5: Solve for x
    x = 584,223,752.61/27,392.31
  6. Step 6: Final answer
    x = 21,328.02

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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.