Home / 38,814.39-53,492.81-28,185.57

Finding the Fourth Proportional to 38,814.39, 53,492.81 and 28,185.57

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Solution

The fourth proportional to 38,814.39, 53,492.81 and 28,185.57 is: 38,844.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,814.39 : 53,492.81 = 28,185.57 : x
  2. Step 2: Convert to fraction form
    38,814.39/53,492.81 = 28,185.57/x
  3. Step 3: Cross multiply
    38,814.39x = 53,492.81 × 28,185.57
  4. Step 4: Simplify right side
    38,814.39x = 1,507,725,199.82
  5. Step 5: Solve for x
    x = 1,507,725,199.82/38,814.39
  6. Step 6: Final answer
    x = 38,844.49

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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.