Home / 25,699.48-35,469.30-15,631.08

Finding the Fourth Proportional to 25,699.48, 35,469.30 and 15,631.08

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Solution

The fourth proportional to 25,699.48, 35,469.30 and 15,631.08 is: 21,573.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,699.48 : 35,469.30 = 15,631.08 : x
  2. Step 2: Convert to fraction form
    25,699.48/35,469.30 = 15,631.08/x
  3. Step 3: Cross multiply
    25,699.48x = 35,469.30 × 15,631.08
  4. Step 4: Simplify right side
    25,699.48x = 554,423,465.84
  5. Step 5: Solve for x
    x = 554,423,465.84/25,699.48
  6. Step 6: Final answer
    x = 21,573.33

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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.