Home / 20,880.04-31,326.90-7,733.44

Finding the Fourth Proportional to 20,880.04, 31,326.90 and 7,733.44

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Solution

The fourth proportional to 20,880.04, 31,326.90 and 7,733.44 is: 11,602.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,880.04 : 31,326.90 = 7,733.44 : x
  2. Step 2: Convert to fraction form
    20,880.04/31,326.90 = 7,733.44/x
  3. Step 3: Cross multiply
    20,880.04x = 31,326.90 × 7,733.44
  4. Step 4: Simplify right side
    20,880.04x = 242,264,701.54
  5. Step 5: Solve for x
    x = 242,264,701.54/20,880.04
  6. Step 6: Final answer
    x = 11,602.69

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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.