Home / 27,925.71-38,539.40-15,350.46

Finding the Fourth Proportional to 27,925.71, 38,539.40 and 15,350.46

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Solution

The fourth proportional to 27,925.71, 38,539.40 and 15,350.46 is: 21,184.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,925.71 : 38,539.40 = 15,350.46 : x
  2. Step 2: Convert to fraction form
    27,925.71/38,539.40 = 15,350.46/x
  3. Step 3: Cross multiply
    27,925.71x = 38,539.40 × 15,350.46
  4. Step 4: Simplify right side
    27,925.71x = 591,597,441.37
  5. Step 5: Solve for x
    x = 591,597,441.37/27,925.71
  6. Step 6: Final answer
    x = 21,184.69

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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.