Home / 19,039.52-28,559.52-6,718.88

Finding the Fourth Proportional to 19,039.52, 28,559.52 and 6,718.88

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Solution

The fourth proportional to 19,039.52, 28,559.52 and 6,718.88 is: 10,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,039.52 : 28,559.52 = 6,718.88 : x
  2. Step 2: Convert to fraction form
    19,039.52/28,559.52 = 6,718.88/x
  3. Step 3: Cross multiply
    19,039.52x = 28,559.52 × 6,718.88
  4. Step 4: Simplify right side
    19,039.52x = 191,887,987.74
  5. Step 5: Solve for x
    x = 191,887,987.74/19,039.52
  6. Step 6: Final answer
    x = 10,078.40

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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.