Home / 21,828.48-32,762.16-10,148.28

Finding the Fourth Proportional to 21,828.48, 32,762.16 and 10,148.28

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Solution

The fourth proportional to 21,828.48, 32,762.16 and 10,148.28 is: 15,231.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,828.48 : 32,762.16 = 10,148.28 : x
  2. Step 2: Convert to fraction form
    21,828.48/32,762.16 = 10,148.28/x
  3. Step 3: Cross multiply
    21,828.48x = 32,762.16 × 10,148.28
  4. Step 4: Simplify right side
    21,828.48x = 332,479,573.08
  5. Step 5: Solve for x
    x = 332,479,573.08/21,828.48
  6. Step 6: Final answer
    x = 15,231.46

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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.