Home / 26,342.16-36,365.40-20,360.31

Finding the Fourth Proportional to 26,342.16, 36,365.40 and 20,360.31

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Solution

The fourth proportional to 26,342.16, 36,365.40 and 20,360.31 is: 28,107.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,342.16 : 36,365.40 = 20,360.31 : x
  2. Step 2: Convert to fraction form
    26,342.16/36,365.40 = 20,360.31/x
  3. Step 3: Cross multiply
    26,342.16x = 36,365.40 × 20,360.31
  4. Step 4: Simplify right side
    26,342.16x = 740,410,817.27
  5. Step 5: Solve for x
    x = 740,410,817.27/26,342.16
  6. Step 6: Final answer
    x = 28,107.45

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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.