Home / 27,457.11-37,894.86-17,386.47

Finding the Fourth Proportional to 27,457.11, 37,894.86 and 17,386.47

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Solution

The fourth proportional to 27,457.11, 37,894.86 and 17,386.47 is: 23,995.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,457.11 : 37,894.86 = 17,386.47 : x
  2. Step 2: Convert to fraction form
    27,457.11/37,894.86 = 17,386.47/x
  3. Step 3: Cross multiply
    27,457.11x = 37,894.86 × 17,386.47
  4. Step 4: Simplify right side
    27,457.11x = 658,857,846.54
  5. Step 5: Solve for x
    x = 658,857,846.54/27,457.11
  6. Step 6: Final answer
    x = 23,995.89

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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.