Home / 28,248.64-38,983.58-16,313.02

Finding the Fourth Proportional to 28,248.64, 38,983.58 and 16,313.02

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Solution

The fourth proportional to 28,248.64, 38,983.58 and 16,313.02 is: 22,512.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248.64 : 38,983.58 = 16,313.02 : x
  2. Step 2: Convert to fraction form
    28,248.64/38,983.58 = 16,313.02/x
  3. Step 3: Cross multiply
    28,248.64x = 38,983.58 × 16,313.02
  4. Step 4: Simplify right side
    28,248.64x = 635,939,920.21
  5. Step 5: Solve for x
    x = 635,939,920.21/28,248.64
  6. Step 6: Final answer
    x = 22,512.23

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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.