Home / 26,777.48-40,151.16-10,978.16

Finding the Fourth Proportional to 26,777.48, 40,151.16 and 10,978.16

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Solution

The fourth proportional to 26,777.48, 40,151.16 and 10,978.16 is: 16,461.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,777.48 : 40,151.16 = 10,978.16 : x
  2. Step 2: Convert to fraction form
    26,777.48/40,151.16 = 10,978.16/x
  3. Step 3: Cross multiply
    26,777.48x = 40,151.16 × 10,978.16
  4. Step 4: Simplify right side
    26,777.48x = 440,785,858.67
  5. Step 5: Solve for x
    x = 440,785,858.67/26,777.48
  6. Step 6: Final answer
    x = 16,461.07

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1.5x scale

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.