Home / 28,693.39-39,596.85-15,946.17

Finding the Fourth Proportional to 28,693.39, 39,596.85 and 15,946.17

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Solution

The fourth proportional to 28,693.39, 39,596.85 and 15,946.17 is: 22,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,693.39 : 39,596.85 = 15,946.17 : x
  2. Step 2: Convert to fraction form
    28,693.39/39,596.85 = 15,946.17/x
  3. Step 3: Cross multiply
    28,693.39x = 39,596.85 × 15,946.17
  4. Step 4: Simplify right side
    28,693.39x = 631,418,021.83
  5. Step 5: Solve for x
    x = 631,418,021.83/28,693.39
  6. Step 6: Final answer
    x = 22,005.70

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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.