Home / 28,701.12-39,607.08-15,954.24

Finding the Fourth Proportional to 28,701.12, 39,607.08 and 15,954.24

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Solution

The fourth proportional to 28,701.12, 39,607.08 and 15,954.24 is: 22,016.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,701.12 : 39,607.08 = 15,954.24 : x
  2. Step 2: Convert to fraction form
    28,701.12/39,607.08 = 15,954.24/x
  3. Step 3: Cross multiply
    28,701.12x = 39,607.08 × 15,954.24
  4. Step 4: Simplify right side
    28,701.12x = 631,900,860.02
  5. Step 5: Solve for x
    x = 631,900,860.02/28,701.12
  6. Step 6: Final answer
    x = 22,016.59

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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.