Home / 27,779.87-38,336.15-15,033

Finding the Fourth Proportional to 27,779.87, 38,336.15 and 15,033

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Solution

The fourth proportional to 27,779.87, 38,336.15 and 15,033 is: 20,745.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,779.87 : 38,336.15 = 15,033 : x
  2. Step 2: Convert to fraction form
    27,779.87/38,336.15 = 15,033/x
  3. Step 3: Cross multiply
    27,779.87x = 38,336.15 × 15,033
  4. Step 4: Simplify right side
    27,779.87x = 576,307,267.79
  5. Step 5: Solve for x
    x = 576,307,267.79/27,779.87
  6. Step 6: Final answer
    x = 20,745.50

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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.