Home / 28,705.84-39,597.54-17,931.98

Finding the Fourth Proportional to 28,705.84, 39,597.54 and 17,931.98

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Solution

The fourth proportional to 28,705.84, 39,597.54 and 17,931.98 is: 24,735.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,705.84 : 39,597.54 = 17,931.98 : x
  2. Step 2: Convert to fraction form
    28,705.84/39,597.54 = 17,931.98/x
  3. Step 3: Cross multiply
    28,705.84x = 39,597.54 × 17,931.98
  4. Step 4: Simplify right side
    28,705.84x = 710,062,295.33
  5. Step 5: Solve for x
    x = 710,062,295.33/28,705.84
  6. Step 6: Final answer
    x = 24,735.81

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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.