Home / 26,844.12-40,280.36-19,509.30

Finding the Fourth Proportional to 26,844.12, 40,280.36 and 19,509.30

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Solution

The fourth proportional to 26,844.12, 40,280.36 and 19,509.30 is: 29,274.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,844.12 : 40,280.36 = 19,509.30 : x
  2. Step 2: Convert to fraction form
    26,844.12/40,280.36 = 19,509.30/x
  3. Step 3: Cross multiply
    26,844.12x = 40,280.36 × 19,509.30
  4. Step 4: Simplify right side
    26,844.12x = 785,841,529.80
  5. Step 5: Solve for x
    x = 785,841,529.80/26,844.12
  6. Step 6: Final answer
    x = 29,274.25

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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.