Home / 28,364.88-42,761.28-26,462.64

Finding the Fourth Proportional to 28,364.88, 42,761.28 and 26,462.64

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Solution

The fourth proportional to 28,364.88, 42,761.28 and 26,462.64 is: 39,893.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,364.88 : 42,761.28 = 26,462.64 : x
  2. Step 2: Convert to fraction form
    28,364.88/42,761.28 = 26,462.64/x
  3. Step 3: Cross multiply
    28,364.88x = 42,761.28 × 26,462.64
  4. Step 4: Simplify right side
    28,364.88x = 1,131,576,358.58
  5. Step 5: Solve for x
    x = 1,131,576,358.58/28,364.88
  6. Step 6: Final answer
    x = 39,893.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.