Home / 28,460.47-39,286.53-25,471.11

Finding the Fourth Proportional to 28,460.47, 39,286.53 and 25,471.11

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Solution

The fourth proportional to 28,460.47, 39,286.53 and 25,471.11 is: 35,160.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,460.47 : 39,286.53 = 25,471.11 : x
  2. Step 2: Convert to fraction form
    28,460.47/39,286.53 = 25,471.11/x
  3. Step 3: Cross multiply
    28,460.47x = 39,286.53 × 25,471.11
  4. Step 4: Simplify right side
    28,460.47x = 1,000,671,625.36
  5. Step 5: Solve for x
    x = 1,000,671,625.36/28,460.47
  6. Step 6: Final answer
    x = 35,160.05

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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.