Home / 27,528.06-37,989.06-15,591.18

Finding the Fourth Proportional to 27,528.06, 37,989.06 and 15,591.18

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Solution

The fourth proportional to 27,528.06, 37,989.06 and 15,591.18 is: 21,516.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,528.06 : 37,989.06 = 15,591.18 : x
  2. Step 2: Convert to fraction form
    27,528.06/37,989.06 = 15,591.18/x
  3. Step 3: Cross multiply
    27,528.06x = 37,989.06 × 15,591.18
  4. Step 4: Simplify right side
    27,528.06x = 592,294,272.49
  5. Step 5: Solve for x
    x = 592,294,272.49/27,528.06
  6. Step 6: Final answer
    x = 21,516.02

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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.