Home / 28,840.16-43,260.24-12,424.16

Finding the Fourth Proportional to 28,840.16, 43,260.24 and 12,424.16

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Solution

The fourth proportional to 28,840.16, 43,260.24 and 12,424.16 is: 18,636.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,840.16 : 43,260.24 = 12,424.16 : x
  2. Step 2: Convert to fraction form
    28,840.16/43,260.24 = 12,424.16/x
  3. Step 3: Cross multiply
    28,840.16x = 43,260.24 × 12,424.16
  4. Step 4: Simplify right side
    28,840.16x = 537,472,143.40
  5. Step 5: Solve for x
    x = 537,472,143.40/28,840.16
  6. Step 6: Final answer
    x = 18,636.24

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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.