Home / 27,529.56-37,989.52-15,431.08

Finding the Fourth Proportional to 27,529.56, 37,989.52 and 15,431.08

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Solution

The fourth proportional to 27,529.56, 37,989.52 and 15,431.08 is: 21,294.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,529.56 : 37,989.52 = 15,431.08 : x
  2. Step 2: Convert to fraction form
    27,529.56/37,989.52 = 15,431.08/x
  3. Step 3: Cross multiply
    27,529.56x = 37,989.52 × 15,431.08
  4. Step 4: Simplify right side
    27,529.56x = 586,219,322.28
  5. Step 5: Solve for x
    x = 586,219,322.28/27,529.56
  6. Step 6: Final answer
    x = 21,294.18

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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.