Home / 28,643.81-39,528.73-16,068.83

Finding the Fourth Proportional to 28,643.81, 39,528.73 and 16,068.83

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Solution

The fourth proportional to 28,643.81, 39,528.73 and 16,068.83 is: 22,175.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,643.81 : 39,528.73 = 16,068.83 : x
  2. Step 2: Convert to fraction form
    28,643.81/39,528.73 = 16,068.83/x
  3. Step 3: Cross multiply
    28,643.81x = 39,528.73 × 16,068.83
  4. Step 4: Simplify right side
    28,643.81x = 635,180,561.39
  5. Step 5: Solve for x
    x = 635,180,561.39/28,643.81
  6. Step 6: Final answer
    x = 22,175.14

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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.