Home / 28,927.40-43,391.10-16,442.60

Finding the Fourth Proportional to 28,927.40, 43,391.10 and 16,442.60

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Solution

The fourth proportional to 28,927.40, 43,391.10 and 16,442.60 is: 24,663.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,927.40 : 43,391.10 = 16,442.60 : x
  2. Step 2: Convert to fraction form
    28,927.40/43,391.10 = 16,442.60/x
  3. Step 3: Cross multiply
    28,927.40x = 43,391.10 × 16,442.60
  4. Step 4: Simplify right side
    28,927.40x = 713,462,500.86
  5. Step 5: Solve for x
    x = 713,462,500.86/28,927.40
  6. Step 6: Final answer
    x = 24,663.90

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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.