Home / 28,695.48-39,597.39-15,946.44

Finding the Fourth Proportional to 28,695.48, 39,597.39 and 15,946.44

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Solution

The fourth proportional to 28,695.48, 39,597.39 and 15,946.44 is: 22,004.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,695.48 : 39,597.39 = 15,946.44 : x
  2. Step 2: Convert to fraction form
    28,695.48/39,597.39 = 15,946.44/x
  3. Step 3: Cross multiply
    28,695.48x = 39,597.39 × 15,946.44
  4. Step 4: Simplify right side
    28,695.48x = 631,437,403.79
  5. Step 5: Solve for x
    x = 631,437,403.79/28,695.48
  6. Step 6: Final answer
    x = 22,004.77

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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.