Home / 25,689.48-35,452.83-15,616.28

Finding the Fourth Proportional to 25,689.48, 35,452.83 and 15,616.28

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Solution

The fourth proportional to 25,689.48, 35,452.83 and 15,616.28 is: 21,551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,689.48 : 35,452.83 = 15,616.28 : x
  2. Step 2: Convert to fraction form
    25,689.48/35,452.83 = 15,616.28/x
  3. Step 3: Cross multiply
    25,689.48x = 35,452.83 × 15,616.28
  4. Step 4: Simplify right side
    25,689.48x = 553,641,142.81
  5. Step 5: Solve for x
    x = 553,641,142.81/25,689.48
  6. Step 6: Final answer
    x = 21,551.28

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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.