Home / 26,840.30-37,074.47-20,427.93

Finding the Fourth Proportional to 26,840.30, 37,074.47 and 20,427.93

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Solution

The fourth proportional to 26,840.30, 37,074.47 and 20,427.93 is: 28,217.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,840.30 : 37,074.47 = 20,427.93 : x
  2. Step 2: Convert to fraction form
    26,840.30/37,074.47 = 20,427.93/x
  3. Step 3: Cross multiply
    26,840.30x = 37,074.47 × 20,427.93
  4. Step 4: Simplify right side
    26,840.30x = 757,354,677.95
  5. Step 5: Solve for x
    x = 757,354,677.95/26,840.30
  6. Step 6: Final answer
    x = 28,217.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.