Home / 28,296.49-42,445.14-10,767.28

Finding the Fourth Proportional to 28,296.49, 42,445.14 and 10,767.28

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Solution

The fourth proportional to 28,296.49, 42,445.14 and 10,767.28 is: 16,151.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,296.49 : 42,445.14 = 10,767.28 : x
  2. Step 2: Convert to fraction form
    28,296.49/42,445.14 = 10,767.28/x
  3. Step 3: Cross multiply
    28,296.49x = 42,445.14 × 10,767.28
  4. Step 4: Simplify right side
    28,296.49x = 457,018,707.02
  5. Step 5: Solve for x
    x = 457,018,707.02/28,296.49
  6. Step 6: Final answer
    x = 16,151.07

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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.