Home / 28,620.59-39,492.63-16,521.48

Finding the Fourth Proportional to 28,620.59, 39,492.63 and 16,521.48

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Solution

The fourth proportional to 28,620.59, 39,492.63 and 16,521.48 is: 22,797.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,620.59 : 39,492.63 = 16,521.48 : x
  2. Step 2: Convert to fraction form
    28,620.59/39,492.63 = 16,521.48/x
  3. Step 3: Cross multiply
    28,620.59x = 39,492.63 × 16,521.48
  4. Step 4: Simplify right side
    28,620.59x = 652,476,696.69
  5. Step 5: Solve for x
    x = 652,476,696.69/28,620.59
  6. Step 6: Final answer
    x = 22,797.46

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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.