Home / 27,434.84-37,860.24-15,499.28

Finding the Fourth Proportional to 27,434.84, 37,860.24 and 15,499.28

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Solution

The fourth proportional to 27,434.84, 37,860.24 and 15,499.28 is: 21,389.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,434.84 : 37,860.24 = 15,499.28 : x
  2. Step 2: Convert to fraction form
    27,434.84/37,860.24 = 15,499.28/x
  3. Step 3: Cross multiply
    27,434.84x = 37,860.24 × 15,499.28
  4. Step 4: Simplify right side
    27,434.84x = 586,806,460.63
  5. Step 5: Solve for x
    x = 586,806,460.63/27,434.84
  6. Step 6: Final answer
    x = 21,389.10

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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.