Home / 25,923.04-38,904.40-20,065.12

Finding the Fourth Proportional to 25,923.04, 38,904.40 and 20,065.12

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Solution

The fourth proportional to 25,923.04, 38,904.40 and 20,065.12 is: 30,113.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,923.04 : 38,904.40 = 20,065.12 : x
  2. Step 2: Convert to fraction form
    25,923.04/38,904.40 = 20,065.12/x
  3. Step 3: Cross multiply
    25,923.04x = 38,904.40 × 20,065.12
  4. Step 4: Simplify right side
    25,923.04x = 780,621,454.53
  5. Step 5: Solve for x
    x = 780,621,454.53/25,923.04
  6. Step 6: Final answer
    x = 30,113.04

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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.