Home / 26,556.18-39,858.90-13,417.77

Finding the Fourth Proportional to 26,556.18, 39,858.90 and 13,417.77

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Solution

The fourth proportional to 26,556.18, 39,858.90 and 13,417.77 is: 20,139.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,556.18 : 39,858.90 = 13,417.77 : x
  2. Step 2: Convert to fraction form
    26,556.18/39,858.90 = 13,417.77/x
  3. Step 3: Cross multiply
    26,556.18x = 39,858.90 × 13,417.77
  4. Step 4: Simplify right side
    26,556.18x = 534,817,651.81
  5. Step 5: Solve for x
    x = 534,817,651.81/26,556.18
  6. Step 6: Final answer
    x = 20,139.11

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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.