Home / 27,949.04-38,570.27-15,373.79

Finding the Fourth Proportional to 27,949.04, 38,570.27 and 15,373.79

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Solution

The fourth proportional to 27,949.04, 38,570.27 and 15,373.79 is: 21,216.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,949.04 : 38,570.27 = 15,373.79 : x
  2. Step 2: Convert to fraction form
    27,949.04/38,570.27 = 15,373.79/x
  3. Step 3: Cross multiply
    27,949.04x = 38,570.27 × 15,373.79
  4. Step 4: Simplify right side
    27,949.04x = 592,971,076.81
  5. Step 5: Solve for x
    x = 592,971,076.81/27,949.04
  6. Step 6: Final answer
    x = 21,216.16

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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.