Home / 28,925.59-43,318.34-20,015.95

Finding the Fourth Proportional to 28,925.59, 43,318.34 and 20,015.95

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Solution

The fourth proportional to 28,925.59, 43,318.34 and 20,015.95 is: 29,975.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,925.59 : 43,318.34 = 20,015.95 : x
  2. Step 2: Convert to fraction form
    28,925.59/43,318.34 = 20,015.95/x
  3. Step 3: Cross multiply
    28,925.59x = 43,318.34 × 20,015.95
  4. Step 4: Simplify right side
    28,925.59x = 867,057,510.93
  5. Step 5: Solve for x
    x = 867,057,510.93/28,925.59
  6. Step 6: Final answer
    x = 29,975.45

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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.