Home / 27,220.32-37,565.51-15,285.38

Finding the Fourth Proportional to 27,220.32, 37,565.51 and 15,285.38

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Solution

The fourth proportional to 27,220.32, 37,565.51 and 15,285.38 is: 21,094.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,220.32 : 37,565.51 = 15,285.38 : x
  2. Step 2: Convert to fraction form
    27,220.32/37,565.51 = 15,285.38/x
  3. Step 3: Cross multiply
    27,220.32x = 37,565.51 × 15,285.38
  4. Step 4: Simplify right side
    27,220.32x = 574,202,830.99
  5. Step 5: Solve for x
    x = 574,202,830.99/27,220.32
  6. Step 6: Final answer
    x = 21,094.64

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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.