Home / 27,434.61-37,860.39-15,497.28

Finding the Fourth Proportional to 27,434.61, 37,860.39 and 15,497.28

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Solution

The fourth proportional to 27,434.61, 37,860.39 and 15,497.28 is: 21,386.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,434.61 : 37,860.39 = 15,497.28 : x
  2. Step 2: Convert to fraction form
    27,434.61/37,860.39 = 15,497.28/x
  3. Step 3: Cross multiply
    27,434.61x = 37,860.39 × 15,497.28
  4. Step 4: Simplify right side
    27,434.61x = 586,733,064.74
  5. Step 5: Solve for x
    x = 586,733,064.74/27,434.61
  6. Step 6: Final answer
    x = 21,386.60

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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.