Home / 19,275.12-28,860.48-10,021.68

Finding the Fourth Proportional to 19,275.12, 28,860.48 and 10,021.68

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Solution

The fourth proportional to 19,275.12, 28,860.48 and 10,021.68 is: 15,005.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,275.12 : 28,860.48 = 10,021.68 : x
  2. Step 2: Convert to fraction form
    19,275.12/28,860.48 = 10,021.68/x
  3. Step 3: Cross multiply
    19,275.12x = 28,860.48 × 10,021.68
  4. Step 4: Simplify right side
    19,275.12x = 289,230,495.21
  5. Step 5: Solve for x
    x = 289,230,495.21/19,275.12
  6. Step 6: Final answer
    x = 15,005.38

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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.