Home / 28,033.84-42,031.32-13,230.28

Finding the Fourth Proportional to 28,033.84, 42,031.32 and 13,230.28

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Solution

The fourth proportional to 28,033.84, 42,031.32 and 13,230.28 is: 19,836.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,033.84 : 42,031.32 = 13,230.28 : x
  2. Step 2: Convert to fraction form
    28,033.84/42,031.32 = 13,230.28/x
  3. Step 3: Cross multiply
    28,033.84x = 42,031.32 × 13,230.28
  4. Step 4: Simplify right side
    28,033.84x = 556,086,132.37
  5. Step 5: Solve for x
    x = 556,086,132.37/28,033.84
  6. Step 6: Final answer
    x = 19,836.25

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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.