Home / 28,656.84-39,544.56-16,718.25

Finding the Fourth Proportional to 28,656.84, 39,544.56 and 16,718.25

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Solution

The fourth proportional to 28,656.84, 39,544.56 and 16,718.25 is: 23,070.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,656.84 : 39,544.56 = 16,718.25 : x
  2. Step 2: Convert to fraction form
    28,656.84/39,544.56 = 16,718.25/x
  3. Step 3: Cross multiply
    28,656.84x = 39,544.56 × 16,718.25
  4. Step 4: Simplify right side
    28,656.84x = 661,115,840.22
  5. Step 5: Solve for x
    x = 661,115,840.22/28,656.84
  6. Step 6: Final answer
    x = 23,070.09

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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.