Home / 27,356.56-37,752.90-15,420.92

Finding the Fourth Proportional to 27,356.56, 37,752.90 and 15,420.92

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Solution

The fourth proportional to 27,356.56, 37,752.90 and 15,420.92 is: 21,281.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,356.56 : 37,752.90 = 15,420.92 : x
  2. Step 2: Convert to fraction form
    27,356.56/37,752.90 = 15,420.92/x
  3. Step 3: Cross multiply
    27,356.56x = 37,752.90 × 15,420.92
  4. Step 4: Simplify right side
    27,356.56x = 582,184,450.67
  5. Step 5: Solve for x
    x = 582,184,450.67/27,356.56
  6. Step 6: Final answer
    x = 21,281.35

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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.