Home / 28,444.40-42,642.50-11,794.04

Finding the Fourth Proportional to 28,444.40, 42,642.50 and 11,794.04

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Solution

The fourth proportional to 28,444.40, 42,642.50 and 11,794.04 is: 17,681.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444.40 : 42,642.50 = 11,794.04 : x
  2. Step 2: Convert to fraction form
    28,444.40/42,642.50 = 11,794.04/x
  3. Step 3: Cross multiply
    28,444.40x = 42,642.50 × 11,794.04
  4. Step 4: Simplify right side
    28,444.40x = 502,927,282.65
  5. Step 5: Solve for x
    x = 502,927,282.65/28,444.40
  6. Step 6: Final answer
    x = 17,681.07

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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.