Home / 21,571.60-32,356.26-7,527.28

Finding the Fourth Proportional to 21,571.60, 32,356.26 and 7,527.28

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Solution

The fourth proportional to 21,571.60, 32,356.26 and 7,527.28 is: 11,290.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,571.60 : 32,356.26 = 7,527.28 : x
  2. Step 2: Convert to fraction form
    21,571.60/32,356.26 = 7,527.28/x
  3. Step 3: Cross multiply
    21,571.60x = 32,356.26 × 7,527.28
  4. Step 4: Simplify right side
    21,571.60x = 243,554,628.77
  5. Step 5: Solve for x
    x = 243,554,628.77/21,571.60
  6. Step 6: Final answer
    x = 11,290.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.