Home / 27,280.80-37,646.88-16,670.40

Finding the Fourth Proportional to 27,280.80, 37,646.88 and 16,670.40

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Solution

The fourth proportional to 27,280.80, 37,646.88 and 16,670.40 is: 23,004.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,280.80 : 37,646.88 = 16,670.40 : x
  2. Step 2: Convert to fraction form
    27,280.80/37,646.88 = 16,670.40/x
  3. Step 3: Cross multiply
    27,280.80x = 37,646.88 × 16,670.40
  4. Step 4: Simplify right side
    27,280.80x = 627,588,548.35
  5. Step 5: Solve for x
    x = 627,588,548.35/27,280.80
  6. Step 6: Final answer
    x = 23,004.77

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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.