Home / 27,484.43-37,929.36-15,547.55

Finding the Fourth Proportional to 27,484.43, 37,929.36 and 15,547.55

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Solution

The fourth proportional to 27,484.43, 37,929.36 and 15,547.55 is: 21,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,484.43 : 37,929.36 = 15,547.55 : x
  2. Step 2: Convert to fraction form
    27,484.43/37,929.36 = 15,547.55/x
  3. Step 3: Cross multiply
    27,484.43x = 37,929.36 × 15,547.55
  4. Step 4: Simplify right side
    27,484.43x = 589,708,621.07
  5. Step 5: Solve for x
    x = 589,708,621.07/27,484.43
  6. Step 6: Final answer
    x = 21,456.10

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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.