Home / 25,647.57-35,383.91-15,572.18

Finding the Fourth Proportional to 25,647.57, 35,383.91 and 15,572.18

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Solution

The fourth proportional to 25,647.57, 35,383.91 and 15,572.18 is: 21,483.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,647.57 : 35,383.91 = 15,572.18 : x
  2. Step 2: Convert to fraction form
    25,647.57/35,383.91 = 15,572.18/x
  3. Step 3: Cross multiply
    25,647.57x = 35,383.91 × 15,572.18
  4. Step 4: Simplify right side
    25,647.57x = 551,004,626.22
  5. Step 5: Solve for x
    x = 551,004,626.22/25,647.57
  6. Step 6: Final answer
    x = 21,483.70

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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.