Home / 27,021.50-37,288.95-15,084.50

Finding the Fourth Proportional to 27,021.50, 37,288.95 and 15,084.50

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Solution

The fourth proportional to 27,021.50, 37,288.95 and 15,084.50 is: 20,816.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,021.50 : 37,288.95 = 15,084.50 : x
  2. Step 2: Convert to fraction form
    27,021.50/37,288.95 = 15,084.50/x
  3. Step 3: Cross multiply
    27,021.50x = 37,288.95 × 15,084.50
  4. Step 4: Simplify right side
    27,021.50x = 562,485,166.28
  5. Step 5: Solve for x
    x = 562,485,166.28/27,021.50
  6. Step 6: Final answer
    x = 20,816.21

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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.