Home / 25,322.28-37,999.74-13,643.64

Finding the Fourth Proportional to 25,322.28, 37,999.74 and 13,643.64

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Solution

The fourth proportional to 25,322.28, 37,999.74 and 13,643.64 is: 20,474.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,322.28 : 37,999.74 = 13,643.64 : x
  2. Step 2: Convert to fraction form
    25,322.28/37,999.74 = 13,643.64/x
  3. Step 3: Cross multiply
    25,322.28x = 37,999.74 × 13,643.64
  4. Step 4: Simplify right side
    25,322.28x = 518,454,772.65
  5. Step 5: Solve for x
    x = 518,454,772.65/25,322.28
  6. Step 6: Final answer
    x = 20,474.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.