Home / 28,528.10-39,368.54-15,952.85

Finding the Fourth Proportional to 28,528.10, 39,368.54 and 15,952.85

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Solution

The fourth proportional to 28,528.10, 39,368.54 and 15,952.85 is: 22,014.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,528.10 : 39,368.54 = 15,952.85 : x
  2. Step 2: Convert to fraction form
    28,528.10/39,368.54 = 15,952.85/x
  3. Step 3: Cross multiply
    28,528.10x = 39,368.54 × 15,952.85
  4. Step 4: Simplify right side
    28,528.10x = 628,040,216.50
  5. Step 5: Solve for x
    x = 628,040,216.50/28,528.10
  6. Step 6: Final answer
    x = 22,014.80

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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.