Home / 27,837.31-38,415.59-15,090.51

Finding the Fourth Proportional to 27,837.31, 38,415.59 and 15,090.51

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Solution

The fourth proportional to 27,837.31, 38,415.59 and 15,090.51 is: 20,824.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,837.31 : 38,415.59 = 15,090.51 : x
  2. Step 2: Convert to fraction form
    27,837.31/38,415.59 = 15,090.51/x
  3. Step 3: Cross multiply
    27,837.31x = 38,415.59 × 15,090.51
  4. Step 4: Simplify right side
    27,837.31x = 579,710,869.92
  5. Step 5: Solve for x
    x = 579,710,869.92/27,837.31
  6. Step 6: Final answer
    x = 20,824.96

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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.