Home / 28,614.31-39,485.60-16,036.63

Finding the Fourth Proportional to 28,614.31, 39,485.60 and 16,036.63

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Solution

The fourth proportional to 28,614.31, 39,485.60 and 16,036.63 is: 22,129.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,614.31 : 39,485.60 = 16,036.63 : x
  2. Step 2: Convert to fraction form
    28,614.31/39,485.60 = 16,036.63/x
  3. Step 3: Cross multiply
    28,614.31x = 39,485.60 × 16,036.63
  4. Step 4: Simplify right side
    28,614.31x = 633,215,957.53
  5. Step 5: Solve for x
    x = 633,215,957.53/28,614.31
  6. Step 6: Final answer
    x = 22,129.35

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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.