Home / 26,890.72-37,112.24-14,955.20

Finding the Fourth Proportional to 26,890.72, 37,112.24 and 14,955.20

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Solution

The fourth proportional to 26,890.72, 37,112.24 and 14,955.20 is: 20,639.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,890.72 : 37,112.24 = 14,955.20 : x
  2. Step 2: Convert to fraction form
    26,890.72/37,112.24 = 14,955.20/x
  3. Step 3: Cross multiply
    26,890.72x = 37,112.24 × 14,955.20
  4. Step 4: Simplify right side
    26,890.72x = 555,020,971.65
  5. Step 5: Solve for x
    x = 555,020,971.65/26,890.72
  6. Step 6: Final answer
    x = 20,639.87

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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.