Home / 27,507.06-37,961.46-15,570.90

Finding the Fourth Proportional to 27,507.06, 37,961.46 and 15,570.90

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Solution

The fourth proportional to 27,507.06, 37,961.46 and 15,570.90 is: 21,488.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,507.06 : 37,961.46 = 15,570.90 : x
  2. Step 2: Convert to fraction form
    27,507.06/37,961.46 = 15,570.90/x
  3. Step 3: Cross multiply
    27,507.06x = 37,961.46 × 15,570.90
  4. Step 4: Simplify right side
    27,507.06x = 591,094,097.51
  5. Step 5: Solve for x
    x = 591,094,097.51/27,507.06
  6. Step 6: Final answer
    x = 21,488.81

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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.