Home / 26,239.86-39,315.96-18,434.70

Finding the Fourth Proportional to 26,239.86, 39,315.96 and 18,434.70

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Solution

The fourth proportional to 26,239.86, 39,315.96 and 18,434.70 is: 27,621.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,239.86 : 39,315.96 = 18,434.70 : x
  2. Step 2: Convert to fraction form
    26,239.86/39,315.96 = 18,434.70/x
  3. Step 3: Cross multiply
    26,239.86x = 39,315.96 × 18,434.70
  4. Step 4: Simplify right side
    26,239.86x = 724,777,927.81
  5. Step 5: Solve for x
    x = 724,777,927.81/26,239.86
  6. Step 6: Final answer
    x = 27,621.26

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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.