Home / 28,824.16-39,775.44-16,248.64

Finding the Fourth Proportional to 28,824.16, 39,775.44 and 16,248.64

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Solution

The fourth proportional to 28,824.16, 39,775.44 and 16,248.64 is: 22,422.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,824.16 : 39,775.44 = 16,248.64 : x
  2. Step 2: Convert to fraction form
    28,824.16/39,775.44 = 16,248.64/x
  3. Step 3: Cross multiply
    28,824.16x = 39,775.44 × 16,248.64
  4. Step 4: Simplify right side
    28,824.16x = 646,296,805.40
  5. Step 5: Solve for x
    x = 646,296,805.40/28,824.16
  6. Step 6: Final answer
    x = 22,422.05

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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.