Home / 26,281.80-39,434.40-13,798.80

Finding the Fourth Proportional to 26,281.80, 39,434.40 and 13,798.80

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Solution

The fourth proportional to 26,281.80, 39,434.40 and 13,798.80 is: 20,704.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,281.80 : 39,434.40 = 13,798.80 : x
  2. Step 2: Convert to fraction form
    26,281.80/39,434.40 = 13,798.80/x
  3. Step 3: Cross multiply
    26,281.80x = 39,434.40 × 13,798.80
  4. Step 4: Simplify right side
    26,281.80x = 544,147,398.72
  5. Step 5: Solve for x
    x = 544,147,398.72/26,281.80
  6. Step 6: Final answer
    x = 20,704.34

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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.