Home / 19,265.63-28,904.27-13,654.15

Finding the Fourth Proportional to 19,265.63, 28,904.27 and 13,654.15

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Solution

The fourth proportional to 19,265.63, 28,904.27 and 13,654.15 is: 20,485.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,265.63 : 28,904.27 = 13,654.15 : x
  2. Step 2: Convert to fraction form
    19,265.63/28,904.27 = 13,654.15/x
  3. Step 3: Cross multiply
    19,265.63x = 28,904.27 × 13,654.15
  4. Step 4: Simplify right side
    19,265.63x = 394,663,097.69
  5. Step 5: Solve for x
    x = 394,663,097.69/19,265.63
  6. Step 6: Final answer
    x = 20,485.35

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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.