Home / 28,482.46-42,745.05-10,730.63

Finding the Fourth Proportional to 28,482.46, 42,745.05 and 10,730.63

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Solution

The fourth proportional to 28,482.46, 42,745.05 and 10,730.63 is: 16,104.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,482.46 : 42,745.05 = 10,730.63 : x
  2. Step 2: Convert to fraction form
    28,482.46/42,745.05 = 10,730.63/x
  3. Step 3: Cross multiply
    28,482.46x = 42,745.05 × 10,730.63
  4. Step 4: Simplify right side
    28,482.46x = 458,681,422.74
  5. Step 5: Solve for x
    x = 458,681,422.74/28,482.46
  6. Step 6: Final answer
    x = 16,104.00

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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.