Home / 19,394.52-26,780.22-15,810.04

Finding the Fourth Proportional to 19,394.52, 26,780.22 and 15,810.04

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Solution

The fourth proportional to 19,394.52, 26,780.22 and 15,810.04 is: 21,830.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,394.52 : 26,780.22 = 15,810.04 : x
  2. Step 2: Convert to fraction form
    19,394.52/26,780.22 = 15,810.04/x
  3. Step 3: Cross multiply
    19,394.52x = 26,780.22 × 15,810.04
  4. Step 4: Simplify right side
    19,394.52x = 423,396,349.41
  5. Step 5: Solve for x
    x = 423,396,349.41/19,394.52
  6. Step 6: Final answer
    x = 21,830.72

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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.