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Finding the Fourth Proportional to 19,532.85, 26,955 and 10,580.28

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Solution

The fourth proportional to 19,532.85, 26,955 and 10,580.28 is: 14,600.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,532.85 : 26,955 = 10,580.28 : x
  2. Step 2: Convert to fraction form
    19,532.85/26,955 = 10,580.28/x
  3. Step 3: Cross multiply
    19,532.85x = 26,955 × 10,580.28
  4. Step 4: Simplify right side
    19,532.85x = 285,191,447.40
  5. Step 5: Solve for x
    x = 285,191,447.40/19,532.85
  6. Step 6: Final answer
    x = 14,600.61

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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.