Home / 28,528.02-39,368.67-15,952.80

Finding the Fourth Proportional to 28,528.02, 39,368.67 and 15,952.80

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Solution

The fourth proportional to 28,528.02, 39,368.67 and 15,952.80 is: 22,014.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,528.02 : 39,368.67 = 15,952.80 : x
  2. Step 2: Convert to fraction form
    28,528.02/39,368.67 = 15,952.80/x
  3. Step 3: Cross multiply
    28,528.02x = 39,368.67 × 15,952.80
  4. Step 4: Simplify right side
    28,528.02x = 628,040,518.78
  5. Step 5: Solve for x
    x = 628,040,518.78/28,528.02
  6. Step 6: Final answer
    x = 22,014.87

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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.