Home / 28,393.40-39,166.64-17,764.58

Finding the Fourth Proportional to 28,393.40, 39,166.64 and 17,764.58

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Solution

The fourth proportional to 28,393.40, 39,166.64 and 17,764.58 is: 24,504.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,393.40 : 39,166.64 = 17,764.58 : x
  2. Step 2: Convert to fraction form
    28,393.40/39,166.64 = 17,764.58/x
  3. Step 3: Cross multiply
    28,393.40x = 39,166.64 × 17,764.58
  4. Step 4: Simplify right side
    28,393.40x = 695,778,985.32
  5. Step 5: Solve for x
    x = 695,778,985.32/28,393.40
  6. Step 6: Final answer
    x = 24,504.95

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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.