Home / 27,316.51-37,697.49-15,380.28

Finding the Fourth Proportional to 27,316.51, 37,697.49 and 15,380.28

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Solution

The fourth proportional to 27,316.51, 37,697.49 and 15,380.28 is: 21,225.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,316.51 : 37,697.49 = 15,380.28 : x
  2. Step 2: Convert to fraction form
    27,316.51/37,697.49 = 15,380.28/x
  3. Step 3: Cross multiply
    27,316.51x = 37,697.49 × 15,380.28
  4. Step 4: Simplify right side
    27,316.51x = 579,797,951.50
  5. Step 5: Solve for x
    x = 579,797,951.50/27,316.51
  6. Step 6: Final answer
    x = 21,225.19

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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.