Home / 27,130.48-40,701.92-10,490.64

Finding the Fourth Proportional to 27,130.48, 40,701.92 and 10,490.64

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Solution

The fourth proportional to 27,130.48, 40,701.92 and 10,490.64 is: 15,738.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,130.48 : 40,701.92 = 10,490.64 : x
  2. Step 2: Convert to fraction form
    27,130.48/40,701.92 = 10,490.64/x
  3. Step 3: Cross multiply
    27,130.48x = 40,701.92 × 10,490.64
  4. Step 4: Simplify right side
    27,130.48x = 426,989,190.03
  5. Step 5: Solve for x
    x = 426,989,190.03/27,130.48
  6. Step 6: Final answer
    x = 15,738.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.