Home / 28,927.72-43,391.58-15,761.98

Finding the Fourth Proportional to 28,927.72, 43,391.58 and 15,761.98

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Solution

The fourth proportional to 28,927.72, 43,391.58 and 15,761.98 is: 23,642.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,927.72 : 43,391.58 = 15,761.98 : x
  2. Step 2: Convert to fraction form
    28,927.72/43,391.58 = 15,761.98/x
  3. Step 3: Cross multiply
    28,927.72x = 43,391.58 × 15,761.98
  4. Step 4: Simplify right side
    28,927.72x = 683,937,216.13
  5. Step 5: Solve for x
    x = 683,937,216.13/28,927.72
  6. Step 6: Final answer
    x = 23,642.97

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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.