Home / 26,677.60-39,924.24-20,533.60

Finding the Fourth Proportional to 26,677.60, 39,924.24 and 20,533.60

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Solution

The fourth proportional to 26,677.60, 39,924.24 and 20,533.60 is: 30,729.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,677.60 : 39,924.24 = 20,533.60 : x
  2. Step 2: Convert to fraction form
    26,677.60/39,924.24 = 20,533.60/x
  3. Step 3: Cross multiply
    26,677.60x = 39,924.24 × 20,533.60
  4. Step 4: Simplify right side
    26,677.60x = 819,788,374.46
  5. Step 5: Solve for x
    x = 819,788,374.46/26,677.60
  6. Step 6: Final answer
    x = 30,729.46

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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.