Home / 27,725.55-38,268.14-15,795.98

Finding the Fourth Proportional to 27,725.55, 38,268.14 and 15,795.98

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Solution

The fourth proportional to 27,725.55, 38,268.14 and 15,795.98 is: 21,802.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,725.55 : 38,268.14 = 15,795.98 : x
  2. Step 2: Convert to fraction form
    27,725.55/38,268.14 = 15,795.98/x
  3. Step 3: Cross multiply
    27,725.55x = 38,268.14 × 15,795.98
  4. Step 4: Simplify right side
    27,725.55x = 604,482,774.08
  5. Step 5: Solve for x
    x = 604,482,774.08/27,725.55
  6. Step 6: Final answer
    x = 21,802.37

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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.