Home / 27,018.07-37,284.79-15,690.35

Finding the Fourth Proportional to 27,018.07, 37,284.79 and 15,690.35

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Solution

The fourth proportional to 27,018.07, 37,284.79 and 15,690.35 is: 21,652.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,018.07 : 37,284.79 = 15,690.35 : x
  2. Step 2: Convert to fraction form
    27,018.07/37,284.79 = 15,690.35/x
  3. Step 3: Cross multiply
    27,018.07x = 37,284.79 × 15,690.35
  4. Step 4: Simplify right side
    27,018.07x = 585,011,311.56
  5. Step 5: Solve for x
    x = 585,011,311.56/27,018.07
  6. Step 6: Final answer
    x = 21,652.60

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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.