Home / 26,557.74-39,861.18-13,419.32

Finding the Fourth Proportional to 26,557.74, 39,861.18 and 13,419.32

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Solution

The fourth proportional to 26,557.74, 39,861.18 and 13,419.32 is: 20,141.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,557.74 : 39,861.18 = 13,419.32 : x
  2. Step 2: Convert to fraction form
    26,557.74/39,861.18 = 13,419.32/x
  3. Step 3: Cross multiply
    26,557.74x = 39,861.18 × 13,419.32
  4. Step 4: Simplify right side
    26,557.74x = 534,909,730.69
  5. Step 5: Solve for x
    x = 534,909,730.69/26,557.74
  6. Step 6: Final answer
    x = 20,141.39

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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.