Home / 28,023.68-38,643-25,202.24

Finding the Fourth Proportional to 28,023.68, 38,643 and 25,202.24

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Solution

The fourth proportional to 28,023.68, 38,643 and 25,202.24 is: 34,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023.68 : 38,643 = 25,202.24 : x
  2. Step 2: Convert to fraction form
    28,023.68/38,643 = 25,202.24/x
  3. Step 3: Cross multiply
    28,023.68x = 38,643 × 25,202.24
  4. Step 4: Simplify right side
    28,023.68x = 973,890,160.32
  5. Step 5: Solve for x
    x = 973,890,160.32/28,023.68
  6. Step 6: Final answer
    x = 34,752.40

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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.