Home / 28,935.04-43,402.56-8,160.16

Finding the Fourth Proportional to 28,935.04, 43,402.56 and 8,160.16

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Solution

The fourth proportional to 28,935.04, 43,402.56 and 8,160.16 is: 12,240.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,935.04 : 43,402.56 = 8,160.16 : x
  2. Step 2: Convert to fraction form
    28,935.04/43,402.56 = 8,160.16/x
  3. Step 3: Cross multiply
    28,935.04x = 43,402.56 × 8,160.16
  4. Step 4: Simplify right side
    28,935.04x = 354,171,834.01
  5. Step 5: Solve for x
    x = 354,171,834.01/28,935.04
  6. Step 6: Final answer
    x = 12,240.24

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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.