Home / 28,185.43-38,895.63-16,248.52

Finding the Fourth Proportional to 28,185.43, 38,895.63 and 16,248.52

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Solution

The fourth proportional to 28,185.43, 38,895.63 and 16,248.52 is: 22,422.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,185.43 : 38,895.63 = 16,248.52 : x
  2. Step 2: Convert to fraction form
    28,185.43/38,895.63 = 16,248.52/x
  3. Step 3: Cross multiply
    28,185.43x = 38,895.63 × 16,248.52
  4. Step 4: Simplify right side
    28,185.43x = 631,996,421.97
  5. Step 5: Solve for x
    x = 631,996,421.97/28,185.43
  6. Step 6: Final answer
    x = 22,422.81

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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.