Home / 28,846.75-39,808.52-15,598.75

Finding the Fourth Proportional to 28,846.75, 39,808.52 and 15,598.75

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Solution

The fourth proportional to 28,846.75, 39,808.52 and 15,598.75 is: 21,526.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,846.75 : 39,808.52 = 15,598.75 : x
  2. Step 2: Convert to fraction form
    28,846.75/39,808.52 = 15,598.75/x
  3. Step 3: Cross multiply
    28,846.75x = 39,808.52 × 15,598.75
  4. Step 4: Simplify right side
    28,846.75x = 620,963,151.35
  5. Step 5: Solve for x
    x = 620,963,151.35/28,846.75
  6. Step 6: Final answer
    x = 21,526.28

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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.