Home / 28,528.22-39,370.75-15,953.02

Finding the Fourth Proportional to 28,528.22, 39,370.75 and 15,953.02

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Solution

The fourth proportional to 28,528.22, 39,370.75 and 15,953.02 is: 22,016.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,528.22 : 39,370.75 = 15,953.02 : x
  2. Step 2: Convert to fraction form
    28,528.22/39,370.75 = 15,953.02/x
  3. Step 3: Cross multiply
    28,528.22x = 39,370.75 × 15,953.02
  4. Step 4: Simplify right side
    28,528.22x = 628,082,362.17
  5. Step 5: Solve for x
    x = 628,082,362.17/28,528.22
  6. Step 6: Final answer
    x = 22,016.18

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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.