Home / 28,090.32-38,733.16-22,969.92

Finding the Fourth Proportional to 28,090.32, 38,733.16 and 22,969.92

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Solution

The fourth proportional to 28,090.32, 38,733.16 and 22,969.92 is: 31,672.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,090.32 : 38,733.16 = 22,969.92 : x
  2. Step 2: Convert to fraction form
    28,090.32/38,733.16 = 22,969.92/x
  3. Step 3: Cross multiply
    28,090.32x = 38,733.16 × 22,969.92
  4. Step 4: Simplify right side
    28,090.32x = 889,697,586.55
  5. Step 5: Solve for x
    x = 889,697,586.55/28,090.32
  6. Step 6: Final answer
    x = 31,672.75

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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.