Home / 19,036.68-28,598.82-13,503.72

Finding the Fourth Proportional to 19,036.68, 28,598.82 and 13,503.72

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Solution

The fourth proportional to 19,036.68, 28,598.82 and 13,503.72 is: 20,286.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,036.68 : 28,598.82 = 13,503.72 : x
  2. Step 2: Convert to fraction form
    19,036.68/28,598.82 = 13,503.72/x
  3. Step 3: Cross multiply
    19,036.68x = 28,598.82 × 13,503.72
  4. Step 4: Simplify right side
    19,036.68x = 386,190,457.61
  5. Step 5: Solve for x
    x = 386,190,457.61/19,036.68
  6. Step 6: Final answer
    x = 20,286.65

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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.