Home / 28,582.84-39,444.27-15,837.18

Finding the Fourth Proportional to 28,582.84, 39,444.27 and 15,837.18

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Solution

The fourth proportional to 28,582.84, 39,444.27 and 15,837.18 is: 21,855.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,582.84 : 39,444.27 = 15,837.18 : x
  2. Step 2: Convert to fraction form
    28,582.84/39,444.27 = 15,837.18/x
  3. Step 3: Cross multiply
    28,582.84x = 39,444.27 × 15,837.18
  4. Step 4: Simplify right side
    28,582.84x = 624,686,003.96
  5. Step 5: Solve for x
    x = 624,686,003.96/28,582.84
  6. Step 6: Final answer
    x = 21,855.28

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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.