Home / 28,293.66-39,045.52-15,546.63

Finding the Fourth Proportional to 28,293.66, 39,045.52 and 15,546.63

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Solution

The fourth proportional to 28,293.66, 39,045.52 and 15,546.63 is: 21,454.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293.66 : 39,045.52 = 15,546.63 : x
  2. Step 2: Convert to fraction form
    28,293.66/39,045.52 = 15,546.63/x
  3. Step 3: Cross multiply
    28,293.66x = 39,045.52 × 15,546.63
  4. Step 4: Simplify right side
    28,293.66x = 607,026,252.60
  5. Step 5: Solve for x
    x = 607,026,252.60/28,293.66
  6. Step 6: Final answer
    x = 21,454.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.