Home / 28,370.41-39,150.83-15,623.33

Finding the Fourth Proportional to 28,370.41, 39,150.83 and 15,623.33

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Solution

The fourth proportional to 28,370.41, 39,150.83 and 15,623.33 is: 21,560.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,370.41 : 39,150.83 = 15,623.33 : x
  2. Step 2: Convert to fraction form
    28,370.41/39,150.83 = 15,623.33/x
  3. Step 3: Cross multiply
    28,370.41x = 39,150.83 × 15,623.33
  4. Step 4: Simplify right side
    28,370.41x = 611,666,180.17
  5. Step 5: Solve for x
    x = 611,666,180.17/28,370.41
  6. Step 6: Final answer
    x = 21,560.01

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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.