Home / 27,428.40-37,822.28-17,860.95

Finding the Fourth Proportional to 27,428.40, 37,822.28 and 17,860.95

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Solution

The fourth proportional to 27,428.40, 37,822.28 and 17,860.95 is: 24,629.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,428.40 : 37,822.28 = 17,860.95 : x
  2. Step 2: Convert to fraction form
    27,428.40/37,822.28 = 17,860.95/x
  3. Step 3: Cross multiply
    27,428.40x = 37,822.28 × 17,860.95
  4. Step 4: Simplify right side
    27,428.40x = 675,541,762.66
  5. Step 5: Solve for x
    x = 675,541,762.66/27,428.40
  6. Step 6: Final answer
    x = 24,629.28

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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.