Home / 27,412.23-37,829.86-15,477.69

Finding the Fourth Proportional to 27,412.23, 37,829.86 and 15,477.69

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Solution

The fourth proportional to 27,412.23, 37,829.86 and 15,477.69 is: 21,359.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,412.23 : 37,829.86 = 15,477.69 : x
  2. Step 2: Convert to fraction form
    27,412.23/37,829.86 = 15,477.69/x
  3. Step 3: Cross multiply
    27,412.23x = 37,829.86 × 15,477.69
  4. Step 4: Simplify right side
    27,412.23x = 585,518,845.82
  5. Step 5: Solve for x
    x = 585,518,845.82/27,412.23
  6. Step 6: Final answer
    x = 21,359.77

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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.