Home / 19,605.56-27,031.02-16,376.72

Finding the Fourth Proportional to 19,605.56, 27,031.02 and 16,376.72

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Solution

The fourth proportional to 19,605.56, 27,031.02 and 16,376.72 is: 22,579.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,605.56 : 27,031.02 = 16,376.72 : x
  2. Step 2: Convert to fraction form
    19,605.56/27,031.02 = 16,376.72/x
  3. Step 3: Cross multiply
    19,605.56x = 27,031.02 × 16,376.72
  4. Step 4: Simplify right side
    19,605.56x = 442,679,445.85
  5. Step 5: Solve for x
    x = 442,679,445.85/19,605.56
  6. Step 6: Final answer
    x = 22,579.28

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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.