Home / 28,913.28-43,353.06-14,107.20

Finding the Fourth Proportional to 28,913.28, 43,353.06 and 14,107.20

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Solution

The fourth proportional to 28,913.28, 43,353.06 and 14,107.20 is: 21,152.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,913.28 : 43,353.06 = 14,107.20 : x
  2. Step 2: Convert to fraction form
    28,913.28/43,353.06 = 14,107.20/x
  3. Step 3: Cross multiply
    28,913.28x = 43,353.06 × 14,107.20
  4. Step 4: Simplify right side
    28,913.28x = 611,590,288.03
  5. Step 5: Solve for x
    x = 611,590,288.03/28,913.28
  6. Step 6: Final answer
    x = 21,152.57

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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.