Home / 25,557.99-35,260.23-18,859.60

Finding the Fourth Proportional to 25,557.99, 35,260.23 and 18,859.60

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Solution

The fourth proportional to 25,557.99, 35,260.23 and 18,859.60 is: 26,019.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,557.99 : 35,260.23 = 18,859.60 : x
  2. Step 2: Convert to fraction form
    25,557.99/35,260.23 = 18,859.60/x
  3. Step 3: Cross multiply
    25,557.99x = 35,260.23 × 18,859.60
  4. Step 4: Simplify right side
    25,557.99x = 664,993,833.71
  5. Step 5: Solve for x
    x = 664,993,833.71/25,557.99
  6. Step 6: Final answer
    x = 26,019.02

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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.