Home / 28,777.46-43,182.64-15,630.98

Finding the Fourth Proportional to 28,777.46, 43,182.64 and 15,630.98

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Solution

The fourth proportional to 28,777.46, 43,182.64 and 15,630.98 is: 23,455.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,777.46 : 43,182.64 = 15,630.98 : x
  2. Step 2: Convert to fraction form
    28,777.46/43,182.64 = 15,630.98/x
  3. Step 3: Cross multiply
    28,777.46x = 43,182.64 × 15,630.98
  4. Step 4: Simplify right side
    28,777.46x = 674,986,982.19
  5. Step 5: Solve for x
    x = 674,986,982.19/28,777.46
  6. Step 6: Final answer
    x = 23,455.41

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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.