Home / 28,650.45-42,958.41-12,852.63

Finding the Fourth Proportional to 28,650.45, 42,958.41 and 12,852.63

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Solution

The fourth proportional to 28,650.45, 42,958.41 and 12,852.63 is: 19,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,650.45 : 42,958.41 = 12,852.63 : x
  2. Step 2: Convert to fraction form
    28,650.45/42,958.41 = 12,852.63/x
  3. Step 3: Cross multiply
    28,650.45x = 42,958.41 × 12,852.63
  4. Step 4: Simplify right side
    28,650.45x = 552,128,549.12
  5. Step 5: Solve for x
    x = 552,128,549.12/28,650.45
  6. Step 6: Final answer
    x = 19,271.20

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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.