Home / 27,779.90-38,326.73-15,834.62

Finding the Fourth Proportional to 27,779.90, 38,326.73 and 15,834.62

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Solution

The fourth proportional to 27,779.90, 38,326.73 and 15,834.62 is: 21,846.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,779.90 : 38,326.73 = 15,834.62 : x
  2. Step 2: Convert to fraction form
    27,779.90/38,326.73 = 15,834.62/x
  3. Step 3: Cross multiply
    27,779.90x = 38,326.73 × 15,834.62
  4. Step 4: Simplify right side
    27,779.90x = 606,889,205.39
  5. Step 5: Solve for x
    x = 606,889,205.39/27,779.90
  6. Step 6: Final answer
    x = 21,846.34

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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.