Home / 28,335.60-42,715.62-26,432.64

Finding the Fourth Proportional to 28,335.60, 42,715.62 and 26,432.64

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Solution

The fourth proportional to 28,335.60, 42,715.62 and 26,432.64 is: 39,846.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,335.60 : 42,715.62 = 26,432.64 : x
  2. Step 2: Convert to fraction form
    28,335.60/42,715.62 = 26,432.64/x
  3. Step 3: Cross multiply
    28,335.60x = 42,715.62 × 26,432.64
  4. Step 4: Simplify right side
    28,335.60x = 1,129,086,605.84
  5. Step 5: Solve for x
    x = 1,129,086,605.84/28,335.60
  6. Step 6: Final answer
    x = 39,846.93

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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.