Home / 27,840.51-38,418.30-15,265.26

Finding the Fourth Proportional to 27,840.51, 38,418.30 and 15,265.26

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Solution

The fourth proportional to 27,840.51, 38,418.30 and 15,265.26 is: 21,065.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,840.51 : 38,418.30 = 15,265.26 : x
  2. Step 2: Convert to fraction form
    27,840.51/38,418.30 = 15,265.26/x
  3. Step 3: Cross multiply
    27,840.51x = 38,418.30 × 15,265.26
  4. Step 4: Simplify right side
    27,840.51x = 586,465,338.26
  5. Step 5: Solve for x
    x = 586,465,338.26/27,840.51
  6. Step 6: Final answer
    x = 21,065.18

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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.