Home / 18,835.42-26,019.88-15,053.62

Finding the Fourth Proportional to 18,835.42, 26,019.88 and 15,053.62

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Solution

The fourth proportional to 18,835.42, 26,019.88 and 15,053.62 is: 20,795.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,835.42 : 26,019.88 = 15,053.62 : x
  2. Step 2: Convert to fraction form
    18,835.42/26,019.88 = 15,053.62/x
  3. Step 3: Cross multiply
    18,835.42x = 26,019.88 × 15,053.62
  4. Step 4: Simplify right side
    18,835.42x = 391,693,385.97
  5. Step 5: Solve for x
    x = 391,693,385.97/18,835.42
  6. Step 6: Final answer
    x = 20,795.57

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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.