Home / 28,467.63-39,285.93-15,892.38

Finding the Fourth Proportional to 28,467.63, 39,285.93 and 15,892.38

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Solution

The fourth proportional to 28,467.63, 39,285.93 and 15,892.38 is: 21,931.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,467.63 : 39,285.93 = 15,892.38 : x
  2. Step 2: Convert to fraction form
    28,467.63/39,285.93 = 15,892.38/x
  3. Step 3: Cross multiply
    28,467.63x = 39,285.93 × 15,892.38
  4. Step 4: Simplify right side
    28,467.63x = 624,346,928.21
  5. Step 5: Solve for x
    x = 624,346,928.21/28,467.63
  6. Step 6: Final answer
    x = 21,931.82

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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.