Home / 27,398.12-37,808.79-15,461.15

Finding the Fourth Proportional to 27,398.12, 37,808.79 and 15,461.15

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Solution

The fourth proportional to 27,398.12, 37,808.79 and 15,461.15 is: 21,336.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,398.12 : 37,808.79 = 15,461.15 : x
  2. Step 2: Convert to fraction form
    27,398.12/37,808.79 = 15,461.15/x
  3. Step 3: Cross multiply
    27,398.12x = 37,808.79 × 15,461.15
  4. Step 4: Simplify right side
    27,398.12x = 584,567,373.51
  5. Step 5: Solve for x
    x = 584,567,373.51/27,398.12
  6. Step 6: Final answer
    x = 21,336.04

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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.