Home / 26,189.79-36,140.34-14,703.86

Finding the Fourth Proportional to 26,189.79, 36,140.34 and 14,703.86

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Solution

The fourth proportional to 26,189.79, 36,140.34 and 14,703.86 is: 20,290.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,189.79 : 36,140.34 = 14,703.86 : x
  2. Step 2: Convert to fraction form
    26,189.79/36,140.34 = 14,703.86/x
  3. Step 3: Cross multiply
    26,189.79x = 36,140.34 × 14,703.86
  4. Step 4: Simplify right side
    26,189.79x = 531,402,245.49
  5. Step 5: Solve for x
    x = 531,402,245.49/26,189.79
  6. Step 6: Final answer
    x = 20,290.44

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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.