Home / 30,628.65-42,264.57-17,197.32

Finding the Fourth Proportional to 30,628.65, 42,264.57 and 17,197.32

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Solution

The fourth proportional to 30,628.65, 42,264.57 and 17,197.32 is: 23,730.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,628.65 : 42,264.57 = 17,197.32 : x
  2. Step 2: Convert to fraction form
    30,628.65/42,264.57 = 17,197.32/x
  3. Step 3: Cross multiply
    30,628.65x = 42,264.57 × 17,197.32
  4. Step 4: Simplify right side
    30,628.65x = 726,837,334.95
  5. Step 5: Solve for x
    x = 726,837,334.95/30,628.65
  6. Step 6: Final answer
    x = 23,730.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.