Home / 26,383.59-36,408.15-15,779.07

Finding the Fourth Proportional to 26,383.59, 36,408.15 and 15,779.07

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Solution

The fourth proportional to 26,383.59, 36,408.15 and 15,779.07 is: 21,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,383.59 : 36,408.15 = 15,779.07 : x
  2. Step 2: Convert to fraction form
    26,383.59/36,408.15 = 15,779.07/x
  3. Step 3: Cross multiply
    26,383.59x = 36,408.15 × 15,779.07
  4. Step 4: Simplify right side
    26,383.59x = 574,486,747.42
  5. Step 5: Solve for x
    x = 574,486,747.42/26,383.59
  6. Step 6: Final answer
    x = 21,774.40

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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.