Home / 27,021.93-37,291.76-15,085.36

Finding the Fourth Proportional to 27,021.93, 37,291.76 and 15,085.36

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Solution

The fourth proportional to 27,021.93, 37,291.76 and 15,085.36 is: 20,818.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,021.93 : 37,291.76 = 15,085.36 : x
  2. Step 2: Convert to fraction form
    27,021.93/37,291.76 = 15,085.36/x
  3. Step 3: Cross multiply
    27,021.93x = 37,291.76 × 15,085.36
  4. Step 4: Simplify right side
    27,021.93x = 562,559,624.63
  5. Step 5: Solve for x
    x = 562,559,624.63/27,021.93
  6. Step 6: Final answer
    x = 20,818.63

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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.