Home / 28,699.68-43,017.93-12,054.18

Finding the Fourth Proportional to 28,699.68, 43,017.93 and 12,054.18

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Solution

The fourth proportional to 28,699.68, 43,017.93 and 12,054.18 is: 18,068.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,699.68 : 43,017.93 = 12,054.18 : x
  2. Step 2: Convert to fraction form
    28,699.68/43,017.93 = 12,054.18/x
  3. Step 3: Cross multiply
    28,699.68x = 43,017.93 × 12,054.18
  4. Step 4: Simplify right side
    28,699.68x = 518,545,871.45
  5. Step 5: Solve for x
    x = 518,545,871.45/28,699.68
  6. Step 6: Final answer
    x = 18,068.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.