Home / 27,478.36-37,921.60-17,403.11

Finding the Fourth Proportional to 27,478.36, 37,921.60 and 17,403.11

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Solution

The fourth proportional to 27,478.36, 37,921.60 and 17,403.11 is: 24,017.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,478.36 : 37,921.60 = 17,403.11 : x
  2. Step 2: Convert to fraction form
    27,478.36/37,921.60 = 17,403.11/x
  3. Step 3: Cross multiply
    27,478.36x = 37,921.60 × 17,403.11
  4. Step 4: Simplify right side
    27,478.36x = 659,953,776.18
  5. Step 5: Solve for x
    x = 659,953,776.18/27,478.36
  6. Step 6: Final answer
    x = 24,017.22

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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.