Home / 28,060.15-42,101.16-12,466.84

Finding the Fourth Proportional to 28,060.15, 42,101.16 and 12,466.84

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Solution

The fourth proportional to 28,060.15, 42,101.16 and 12,466.84 is: 18,705.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,060.15 : 42,101.16 = 12,466.84 : x
  2. Step 2: Convert to fraction form
    28,060.15/42,101.16 = 12,466.84/x
  3. Step 3: Cross multiply
    28,060.15x = 42,101.16 × 12,466.84
  4. Step 4: Simplify right side
    28,060.15x = 524,868,425.53
  5. Step 5: Solve for x
    x = 524,868,425.53/28,060.15
  6. Step 6: Final answer
    x = 18,705.12

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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.