Home / 27,518.78-37,975.56-15,582.08

Finding the Fourth Proportional to 27,518.78, 37,975.56 and 15,582.08

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Solution

The fourth proportional to 27,518.78, 37,975.56 and 15,582.08 is: 21,503.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,518.78 : 37,975.56 = 15,582.08 : x
  2. Step 2: Convert to fraction form
    27,518.78/37,975.56 = 15,582.08/x
  3. Step 3: Cross multiply
    27,518.78x = 37,975.56 × 15,582.08
  4. Step 4: Simplify right side
    27,518.78x = 591,738,213.96
  5. Step 5: Solve for x
    x = 591,738,213.96/27,518.78
  6. Step 6: Final answer
    x = 21,503.07

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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.