Home / 28,657.38-42,956.90-26,535.99

Finding the Fourth Proportional to 28,657.38, 42,956.90 and 26,535.99

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Solution

The fourth proportional to 28,657.38, 42,956.90 and 26,535.99 is: 39,776.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,657.38 : 42,956.90 = 26,535.99 : x
  2. Step 2: Convert to fraction form
    28,657.38/42,956.90 = 26,535.99/x
  3. Step 3: Cross multiply
    28,657.38x = 42,956.90 × 26,535.99
  4. Step 4: Simplify right side
    28,657.38x = 1,139,903,736.15
  5. Step 5: Solve for x
    x = 1,139,903,736.15/28,657.38
  6. Step 6: Final answer
    x = 39,776.97

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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.