Home / 27,238.13-37,586.59-15,303.45

Finding the Fourth Proportional to 27,238.13, 37,586.59 and 15,303.45

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Solution

The fourth proportional to 27,238.13, 37,586.59 and 15,303.45 is: 21,117.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,238.13 : 37,586.59 = 15,303.45 : x
  2. Step 2: Convert to fraction form
    27,238.13/37,586.59 = 15,303.45/x
  3. Step 3: Cross multiply
    27,238.13x = 37,586.59 × 15,303.45
  4. Step 4: Simplify right side
    27,238.13x = 575,204,500.74
  5. Step 5: Solve for x
    x = 575,204,500.74/27,238.13
  6. Step 6: Final answer
    x = 21,117.62

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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.