Home / 28,681.12-43,017.24-14,651.52

Finding the Fourth Proportional to 28,681.12, 43,017.24 and 14,651.52

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Solution

The fourth proportional to 28,681.12, 43,017.24 and 14,651.52 is: 21,975.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,681.12 : 43,017.24 = 14,651.52 : x
  2. Step 2: Convert to fraction form
    28,681.12/43,017.24 = 14,651.52/x
  3. Step 3: Cross multiply
    28,681.12x = 43,017.24 × 14,651.52
  4. Step 4: Simplify right side
    28,681.12x = 630,267,952.20
  5. Step 5: Solve for x
    x = 630,267,952.20/28,681.12
  6. Step 6: Final answer
    x = 21,975.01

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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.