Home / 27,367.84-37,762.88-15,878.60

Finding the Fourth Proportional to 27,367.84, 37,762.88 and 15,878.60

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Solution

The fourth proportional to 27,367.84, 37,762.88 and 15,878.60 is: 21,909.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,367.84 : 37,762.88 = 15,878.60 : x
  2. Step 2: Convert to fraction form
    27,367.84/37,762.88 = 15,878.60/x
  3. Step 3: Cross multiply
    27,367.84x = 37,762.88 × 15,878.60
  4. Step 4: Simplify right side
    27,367.84x = 599,621,666.37
  5. Step 5: Solve for x
    x = 599,621,666.37/27,367.84
  6. Step 6: Final answer
    x = 21,909.72

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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.