Home / 26,142.77-39,214.10-7,422.98

Finding the Fourth Proportional to 26,142.77, 39,214.10 and 7,422.98

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Solution

The fourth proportional to 26,142.77, 39,214.10 and 7,422.98 is: 11,134.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,142.77 : 39,214.10 = 7,422.98 : x
  2. Step 2: Convert to fraction form
    26,142.77/39,214.10 = 7,422.98/x
  3. Step 3: Cross multiply
    26,142.77x = 39,214.10 × 7,422.98
  4. Step 4: Simplify right side
    26,142.77x = 291,085,246.83
  5. Step 5: Solve for x
    x = 291,085,246.83/26,142.77
  6. Step 6: Final answer
    x = 11,134.45

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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.