Home / 27,210.77-37,547.97-15,275.42

Finding the Fourth Proportional to 27,210.77, 37,547.97 and 15,275.42

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Solution

The fourth proportional to 27,210.77, 37,547.97 and 15,275.42 is: 21,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,210.77 : 37,547.97 = 15,275.42 : x
  2. Step 2: Convert to fraction form
    27,210.77/37,547.97 = 15,275.42/x
  3. Step 3: Cross multiply
    27,210.77x = 37,547.97 × 15,275.42
  4. Step 4: Simplify right side
    27,210.77x = 573,560,824.16
  5. Step 5: Solve for x
    x = 573,560,824.16/27,210.77
  6. Step 6: Final answer
    x = 21,078.45

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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.