Home / 28,661.23-39,551.70-17,182.63

Finding the Fourth Proportional to 28,661.23, 39,551.70 and 17,182.63

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Solution

The fourth proportional to 28,661.23, 39,551.70 and 17,182.63 is: 23,711.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,661.23 : 39,551.70 = 17,182.63 : x
  2. Step 2: Convert to fraction form
    28,661.23/39,551.70 = 17,182.63/x
  3. Step 3: Cross multiply
    28,661.23x = 39,551.70 × 17,182.63
  4. Step 4: Simplify right side
    28,661.23x = 679,602,226.97
  5. Step 5: Solve for x
    x = 679,602,226.97/28,661.23
  6. Step 6: Final answer
    x = 23,711.55

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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.