Home / 28,520.19-39,349.81-17,033.74

Finding the Fourth Proportional to 28,520.19, 39,349.81 and 17,033.74

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Solution

The fourth proportional to 28,520.19, 39,349.81 and 17,033.74 is: 23,501.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,520.19 : 39,349.81 = 17,033.74 : x
  2. Step 2: Convert to fraction form
    28,520.19/39,349.81 = 17,033.74/x
  3. Step 3: Cross multiply
    28,520.19x = 39,349.81 × 17,033.74
  4. Step 4: Simplify right side
    28,520.19x = 670,274,432.59
  5. Step 5: Solve for x
    x = 670,274,432.59/28,520.19
  6. Step 6: Final answer
    x = 23,501.75

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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.