Home / 28,693.80-39,597.41-15,946.58

Finding the Fourth Proportional to 28,693.80, 39,597.41 and 15,946.58

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Solution

The fourth proportional to 28,693.80, 39,597.41 and 15,946.58 is: 22,006.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,693.80 : 39,597.41 = 15,946.58 : x
  2. Step 2: Convert to fraction form
    28,693.80/39,597.41 = 15,946.58/x
  3. Step 3: Cross multiply
    28,693.80x = 39,597.41 × 15,946.58
  4. Step 4: Simplify right side
    28,693.80x = 631,443,087.63
  5. Step 5: Solve for x
    x = 631,443,087.63/28,693.80
  6. Step 6: Final answer
    x = 22,006.26

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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.