Home / 25,723-35,502.29-15,112.63

Finding the Fourth Proportional to 25,723, 35,502.29 and 15,112.63

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Solution

The fourth proportional to 25,723, 35,502.29 and 15,112.63 is: 20,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,723 : 35,502.29 = 15,112.63 : x
  2. Step 2: Convert to fraction form
    25,723/35,502.29 = 15,112.63/x
  3. Step 3: Cross multiply
    25,723x = 35,502.29 × 15,112.63
  4. Step 4: Simplify right side
    25,723x = 536,532,972.92
  5. Step 5: Solve for x
    x = 536,532,972.92/25,723
  6. Step 6: Final answer
    x = 20,858.10

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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.