Home / 29,250.54-40,365.76-15,821.80

Finding the Fourth Proportional to 29,250.54, 40,365.76 and 15,821.80

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Solution

The fourth proportional to 29,250.54, 40,365.76 and 15,821.80 is: 21,834.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,250.54 : 40,365.76 = 15,821.80 : x
  2. Step 2: Convert to fraction form
    29,250.54/40,365.76 = 15,821.80/x
  3. Step 3: Cross multiply
    29,250.54x = 40,365.76 × 15,821.80
  4. Step 4: Simplify right side
    29,250.54x = 638,658,981.57
  5. Step 5: Solve for x
    x = 638,658,981.57/29,250.54
  6. Step 6: Final answer
    x = 21,834.09

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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.