Home / 28,220.83-42,320.28-15,066.01

Finding the Fourth Proportional to 28,220.83, 42,320.28 and 15,066.01

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Solution

The fourth proportional to 28,220.83, 42,320.28 and 15,066.01 is: 22,593.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,220.83 : 42,320.28 = 15,066.01 : x
  2. Step 2: Convert to fraction form
    28,220.83/42,320.28 = 15,066.01/x
  3. Step 3: Cross multiply
    28,220.83x = 42,320.28 × 15,066.01
  4. Step 4: Simplify right side
    28,220.83x = 637,597,761.68
  5. Step 5: Solve for x
    x = 637,597,761.68/28,220.83
  6. Step 6: Final answer
    x = 22,593.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.