Home / 28,880.02-43,302.21-11,341.90

Finding the Fourth Proportional to 28,880.02, 43,302.21 and 11,341.90

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Solution

The fourth proportional to 28,880.02, 43,302.21 and 11,341.90 is: 17,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880.02 : 43,302.21 = 11,341.90 : x
  2. Step 2: Convert to fraction form
    28,880.02/43,302.21 = 11,341.90/x
  3. Step 3: Cross multiply
    28,880.02x = 43,302.21 × 11,341.90
  4. Step 4: Simplify right side
    28,880.02x = 491,129,335.60
  5. Step 5: Solve for x
    x = 491,129,335.60/28,880.02
  6. Step 6: Final answer
    x = 17,005.85

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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.