Home / 28,580.40-39,443.04-17,252.67

Finding the Fourth Proportional to 28,580.40, 39,443.04 and 17,252.67

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Solution

The fourth proportional to 28,580.40, 39,443.04 and 17,252.67 is: 23,809.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,580.40 : 39,443.04 = 17,252.67 : x
  2. Step 2: Convert to fraction form
    28,580.40/39,443.04 = 17,252.67/x
  3. Step 3: Cross multiply
    28,580.40x = 39,443.04 × 17,252.67
  4. Step 4: Simplify right side
    28,580.40x = 680,497,752.92
  5. Step 5: Solve for x
    x = 680,497,752.92/28,580.40
  6. Step 6: Final answer
    x = 23,809.95

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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.