Home / 30,928.95-46,377.90-15,135.17

Finding the Fourth Proportional to 30,928.95, 46,377.90 and 15,135.17

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Solution

The fourth proportional to 30,928.95, 46,377.90 and 15,135.17 is: 22,695.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,928.95 : 46,377.90 = 15,135.17 : x
  2. Step 2: Convert to fraction form
    30,928.95/46,377.90 = 15,135.17/x
  3. Step 3: Cross multiply
    30,928.95x = 46,377.90 × 15,135.17
  4. Step 4: Simplify right side
    30,928.95x = 701,937,168.85
  5. Step 5: Solve for x
    x = 701,937,168.85/30,928.95
  6. Step 6: Final answer
    x = 22,695.15

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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.