Home / 28,730.76-43,070.52-11,196.60

Finding the Fourth Proportional to 28,730.76, 43,070.52 and 11,196.60

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Solution

The fourth proportional to 28,730.76, 43,070.52 and 11,196.60 is: 16,784.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,730.76 : 43,070.52 = 11,196.60 : x
  2. Step 2: Convert to fraction form
    28,730.76/43,070.52 = 11,196.60/x
  3. Step 3: Cross multiply
    28,730.76x = 43,070.52 × 11,196.60
  4. Step 4: Simplify right side
    28,730.76x = 482,243,384.23
  5. Step 5: Solve for x
    x = 482,243,384.23/28,730.76
  6. Step 6: Final answer
    x = 16,784.92

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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.