Home / 26,369.60-39,535.20-10,779.20

Finding the Fourth Proportional to 26,369.60, 39,535.20 and 10,779.20

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Solution

The fourth proportional to 26,369.60, 39,535.20 and 10,779.20 is: 16,160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,369.60 : 39,535.20 = 10,779.20 : x
  2. Step 2: Convert to fraction form
    26,369.60/39,535.20 = 10,779.20/x
  3. Step 3: Cross multiply
    26,369.60x = 39,535.20 × 10,779.20
  4. Step 4: Simplify right side
    26,369.60x = 426,157,827.84
  5. Step 5: Solve for x
    x = 426,157,827.84/26,369.60
  6. Step 6: Final answer
    x = 16,160.95

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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.