Home / 27,147.90-37,460.64-15,821.04

Finding the Fourth Proportional to 27,147.90, 37,460.64 and 15,821.04

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Solution

The fourth proportional to 27,147.90, 37,460.64 and 15,821.04 is: 21,831.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,147.90 : 37,460.64 = 15,821.04 : x
  2. Step 2: Convert to fraction form
    27,147.90/37,460.64 = 15,821.04/x
  3. Step 3: Cross multiply
    27,147.90x = 37,460.64 × 15,821.04
  4. Step 4: Simplify right side
    27,147.90x = 592,666,283.87
  5. Step 5: Solve for x
    x = 592,666,283.87/27,147.90
  6. Step 6: Final answer
    x = 21,831.02

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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.