Home / 27,407.87-37,822.65-15,470.80

Finding the Fourth Proportional to 27,407.87, 37,822.65 and 15,470.80

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Solution

The fourth proportional to 27,407.87, 37,822.65 and 15,470.80 is: 21,349.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,407.87 : 37,822.65 = 15,470.80 : x
  2. Step 2: Convert to fraction form
    27,407.87/37,822.65 = 15,470.80/x
  3. Step 3: Cross multiply
    27,407.87x = 37,822.65 × 15,470.80
  4. Step 4: Simplify right side
    27,407.87x = 585,146,501.05
  5. Step 5: Solve for x
    x = 585,146,501.05/27,407.87
  6. Step 6: Final answer
    x = 21,349.58

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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.