Home / 43,287.74-59,727.59-28,178.78

Finding the Fourth Proportional to 43,287.74, 59,727.59 and 28,178.78

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Solution

The fourth proportional to 43,287.74, 59,727.59 and 28,178.78 is: 38,880.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,287.74 : 59,727.59 = 28,178.78 : x
  2. Step 2: Convert to fraction form
    43,287.74/59,727.59 = 28,178.78/x
  3. Step 3: Cross multiply
    43,287.74x = 59,727.59 × 28,178.78
  4. Step 4: Simplify right side
    43,287.74x = 1,683,050,618.54
  5. Step 5: Solve for x
    x = 1,683,050,618.54/43,287.74
  6. Step 6: Final answer
    x = 38,880.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.