Home / 25,699.79-35,463.75-15,626.84

Finding the Fourth Proportional to 25,699.79, 35,463.75 and 15,626.84

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Solution

The fourth proportional to 25,699.79, 35,463.75 and 15,626.84 is: 21,563.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,699.79 : 35,463.75 = 15,626.84 : x
  2. Step 2: Convert to fraction form
    25,699.79/35,463.75 = 15,626.84/x
  3. Step 3: Cross multiply
    25,699.79x = 35,463.75 × 15,626.84
  4. Step 4: Simplify right side
    25,699.79x = 554,186,169.73
  5. Step 5: Solve for x
    x = 554,186,169.73/25,699.79
  6. Step 6: Final answer
    x = 21,563.84

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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.