Home / 31,968.24-44,135.07-28,421.64

Finding the Fourth Proportional to 31,968.24, 44,135.07 and 28,421.64

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Solution

The fourth proportional to 31,968.24, 44,135.07 and 28,421.64 is: 39,238.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,968.24 : 44,135.07 = 28,421.64 : x
  2. Step 2: Convert to fraction form
    31,968.24/44,135.07 = 28,421.64/x
  3. Step 3: Cross multiply
    31,968.24x = 44,135.07 × 28,421.64
  4. Step 4: Simplify right side
    31,968.24x = 1,254,391,070.91
  5. Step 5: Solve for x
    x = 1,254,391,070.91/31,968.24
  6. Step 6: Final answer
    x = 39,238.67

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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.