Home / 28,059.12-38,723.64-16,125.36

Finding the Fourth Proportional to 28,059.12, 38,723.64 and 16,125.36

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Solution

The fourth proportional to 28,059.12, 38,723.64 and 16,125.36 is: 22,254.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,059.12 : 38,723.64 = 16,125.36 : x
  2. Step 2: Convert to fraction form
    28,059.12/38,723.64 = 16,125.36/x
  3. Step 3: Cross multiply
    28,059.12x = 38,723.64 × 16,125.36
  4. Step 4: Simplify right side
    28,059.12x = 624,432,635.51
  5. Step 5: Solve for x
    x = 624,432,635.51/28,059.12
  6. Step 6: Final answer
    x = 22,254.18

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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.