Home / 27,318.79-37,699.36-15,219.26

Finding the Fourth Proportional to 27,318.79, 37,699.36 and 15,219.26

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Solution

The fourth proportional to 27,318.79, 37,699.36 and 15,219.26 is: 21,002.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,318.79 : 37,699.36 = 15,219.26 : x
  2. Step 2: Convert to fraction form
    27,318.79/37,699.36 = 15,219.26/x
  3. Step 3: Cross multiply
    27,318.79x = 37,699.36 × 15,219.26
  4. Step 4: Simplify right side
    27,318.79x = 573,756,135.13
  5. Step 5: Solve for x
    x = 573,756,135.13/27,318.79
  6. Step 6: Final answer
    x = 21,002.25

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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.