Home / 26,571.02-39,871.78-13,424.45

Finding the Fourth Proportional to 26,571.02, 39,871.78 and 13,424.45

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Solution

The fourth proportional to 26,571.02, 39,871.78 and 13,424.45 is: 20,144.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,571.02 : 39,871.78 = 13,424.45 : x
  2. Step 2: Convert to fraction form
    26,571.02/39,871.78 = 13,424.45/x
  3. Step 3: Cross multiply
    26,571.02x = 39,871.78 × 13,424.45
  4. Step 4: Simplify right side
    26,571.02x = 535,256,484.10
  5. Step 5: Solve for x
    x = 535,256,484.10/26,571.02
  6. Step 6: Final answer
    x = 20,144.37

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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.