Home / 20,587.50-30,878.52-5,797.58

Finding the Fourth Proportional to 20,587.50, 30,878.52 and 5,797.58

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Solution

The fourth proportional to 20,587.50, 30,878.52 and 5,797.58 is: 8,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,587.50 : 30,878.52 = 5,797.58 : x
  2. Step 2: Convert to fraction form
    20,587.50/30,878.52 = 5,797.58/x
  3. Step 3: Cross multiply
    20,587.50x = 30,878.52 × 5,797.58
  4. Step 4: Simplify right side
    20,587.50x = 179,020,689.98
  5. Step 5: Solve for x
    x = 179,020,689.98/20,587.50
  6. Step 6: Final answer
    x = 8,695.60

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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.