Home / 20,271.53-30,405.44-14,373.72

Finding the Fourth Proportional to 20,271.53, 30,405.44 and 14,373.72

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Solution

The fourth proportional to 20,271.53, 30,405.44 and 14,373.72 is: 21,559.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,271.53 : 30,405.44 = 14,373.72 : x
  2. Step 2: Convert to fraction form
    20,271.53/30,405.44 = 14,373.72/x
  3. Step 3: Cross multiply
    20,271.53x = 30,405.44 × 14,373.72
  4. Step 4: Simplify right side
    20,271.53x = 437,039,281.04
  5. Step 5: Solve for x
    x = 437,039,281.04/20,271.53
  6. Step 6: Final answer
    x = 21,559.26

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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.