Home / 28,219.42-42,312.93-8,492.14

Finding the Fourth Proportional to 28,219.42, 42,312.93 and 8,492.14

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Solution

The fourth proportional to 28,219.42, 42,312.93 and 8,492.14 is: 12,733.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,219.42 : 42,312.93 = 8,492.14 : x
  2. Step 2: Convert to fraction form
    28,219.42/42,312.93 = 8,492.14/x
  3. Step 3: Cross multiply
    28,219.42x = 42,312.93 × 8,492.14
  4. Step 4: Simplify right side
    28,219.42x = 359,327,325.37
  5. Step 5: Solve for x
    x = 359,327,325.37/28,219.42
  6. Step 6: Final answer
    x = 12,733.33

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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.