Home / 27,021.04-37,288.70-15,087.32

Finding the Fourth Proportional to 27,021.04, 37,288.70 and 15,087.32

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Solution

The fourth proportional to 27,021.04, 37,288.70 and 15,087.32 is: 20,820.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,021.04 : 37,288.70 = 15,087.32 : x
  2. Step 2: Convert to fraction form
    27,021.04/37,288.70 = 15,087.32/x
  3. Step 3: Cross multiply
    27,021.04x = 37,288.70 × 15,087.32
  4. Step 4: Simplify right side
    27,021.04x = 562,586,549.28
  5. Step 5: Solve for x
    x = 562,586,549.28/27,021.04
  6. Step 6: Final answer
    x = 20,820.31

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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.