Home / 28,271.35-42,342.04-16,395.72

Finding the Fourth Proportional to 28,271.35, 42,342.04 and 16,395.72

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Solution

The fourth proportional to 28,271.35, 42,342.04 and 16,395.72 is: 24,555.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,271.35 : 42,342.04 = 16,395.72 : x
  2. Step 2: Convert to fraction form
    28,271.35/42,342.04 = 16,395.72/x
  3. Step 3: Cross multiply
    28,271.35x = 42,342.04 × 16,395.72
  4. Step 4: Simplify right side
    28,271.35x = 694,228,232.07
  5. Step 5: Solve for x
    x = 694,228,232.07/28,271.35
  6. Step 6: Final answer
    x = 24,555.89

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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.