Home / 26,580.70-39,903.45-13,426.30

Finding the Fourth Proportional to 26,580.70, 39,903.45 and 13,426.30

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Solution

The fourth proportional to 26,580.70, 39,903.45 and 13,426.30 is: 20,155.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,580.70 : 39,903.45 = 13,426.30 : x
  2. Step 2: Convert to fraction form
    26,580.70/39,903.45 = 13,426.30/x
  3. Step 3: Cross multiply
    26,580.70x = 39,903.45 × 13,426.30
  4. Step 4: Simplify right side
    26,580.70x = 535,755,690.74
  5. Step 5: Solve for x
    x = 535,755,690.74/26,580.70
  6. Step 6: Final answer
    x = 20,155.82

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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.