Home / 27,430.01-37,853.21-15,495.68

Finding the Fourth Proportional to 27,430.01, 37,853.21 and 15,495.68

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Solution

The fourth proportional to 27,430.01, 37,853.21 and 15,495.68 is: 21,383.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,430.01 : 37,853.21 = 15,495.68 : x
  2. Step 2: Convert to fraction form
    27,430.01/37,853.21 = 15,495.68/x
  3. Step 3: Cross multiply
    27,430.01x = 37,853.21 × 15,495.68
  4. Step 4: Simplify right side
    27,430.01x = 586,560,962.39
  5. Step 5: Solve for x
    x = 586,560,962.39/27,430.01
  6. Step 6: Final answer
    x = 21,383.92

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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.