Home / 26,813.85-37,008.51-15,485.19

Finding the Fourth Proportional to 26,813.85, 37,008.51 and 15,485.19

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Solution

The fourth proportional to 26,813.85, 37,008.51 and 15,485.19 is: 21,372.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,813.85 : 37,008.51 = 15,485.19 : x
  2. Step 2: Convert to fraction form
    26,813.85/37,008.51 = 15,485.19/x
  3. Step 3: Cross multiply
    26,813.85x = 37,008.51 × 15,485.19
  4. Step 4: Simplify right side
    26,813.85x = 573,083,808.97
  5. Step 5: Solve for x
    x = 573,083,808.97/26,813.85
  6. Step 6: Final answer
    x = 21,372.68

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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.