Home / 27,528.81-37,990.46-15,591.98

Finding the Fourth Proportional to 27,528.81, 37,990.46 and 15,591.98

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Solution

The fourth proportional to 27,528.81, 37,990.46 and 15,591.98 is: 21,517.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,528.81 : 37,990.46 = 15,591.98 : x
  2. Step 2: Convert to fraction form
    27,528.81/37,990.46 = 15,591.98/x
  3. Step 3: Cross multiply
    27,528.81x = 37,990.46 × 15,591.98
  4. Step 4: Simplify right side
    27,528.81x = 592,346,341.54
  5. Step 5: Solve for x
    x = 592,346,341.54/27,528.81
  6. Step 6: Final answer
    x = 21,517.32

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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.