Home / 28,847.04-39,808.90-16,271.79

Finding the Fourth Proportional to 28,847.04, 39,808.90 and 16,271.79

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Solution

The fourth proportional to 28,847.04, 39,808.90 and 16,271.79 is: 22,455.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,847.04 : 39,808.90 = 16,271.79 : x
  2. Step 2: Convert to fraction form
    28,847.04/39,808.90 = 16,271.79/x
  3. Step 3: Cross multiply
    28,847.04x = 39,808.90 × 16,271.79
  4. Step 4: Simplify right side
    28,847.04x = 647,762,060.93
  5. Step 5: Solve for x
    x = 647,762,060.93/28,847.04
  6. Step 6: Final answer
    x = 22,455.06

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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.