Home / 28,986.24-40,001.54-22,620

Finding the Fourth Proportional to 28,986.24, 40,001.54 and 22,620

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Solution

The fourth proportional to 28,986.24, 40,001.54 and 22,620 is: 31,216.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,986.24 : 40,001.54 = 22,620 : x
  2. Step 2: Convert to fraction form
    28,986.24/40,001.54 = 22,620/x
  3. Step 3: Cross multiply
    28,986.24x = 40,001.54 × 22,620
  4. Step 4: Simplify right side
    28,986.24x = 904,834,834.80
  5. Step 5: Solve for x
    x = 904,834,834.80/28,986.24
  6. Step 6: Final answer
    x = 31,216.01

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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.