Home / 27,415.21-37,834.74-15,474.19

Finding the Fourth Proportional to 27,415.21, 37,834.74 and 15,474.19

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Solution

The fourth proportional to 27,415.21, 37,834.74 and 15,474.19 is: 21,355.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,415.21 : 37,834.74 = 15,474.19 : x
  2. Step 2: Convert to fraction form
    27,415.21/37,834.74 = 15,474.19/x
  3. Step 3: Cross multiply
    27,415.21x = 37,834.74 × 15,474.19
  4. Step 4: Simplify right side
    27,415.21x = 585,461,688.82
  5. Step 5: Solve for x
    x = 585,461,688.82/27,415.21
  6. Step 6: Final answer
    x = 21,355.36

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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.