Home / 28,756.77-43,153.59-13,957.62

Finding the Fourth Proportional to 28,756.77, 43,153.59 and 13,957.62

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Solution

The fourth proportional to 28,756.77, 43,153.59 and 13,957.62 is: 20,945.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,756.77 : 43,153.59 = 13,957.62 : x
  2. Step 2: Convert to fraction form
    28,756.77/43,153.59 = 13,957.62/x
  3. Step 3: Cross multiply
    28,756.77x = 43,153.59 × 13,957.62
  4. Step 4: Simplify right side
    28,756.77x = 602,321,410.86
  5. Step 5: Solve for x
    x = 602,321,410.86/28,756.77
  6. Step 6: Final answer
    x = 20,945.38

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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.