Home / 19,615.80-29,423.70-16,663.35

Finding the Fourth Proportional to 19,615.80, 29,423.70 and 16,663.35

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Solution

The fourth proportional to 19,615.80, 29,423.70 and 16,663.35 is: 24,995.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,615.80 : 29,423.70 = 16,663.35 : x
  2. Step 2: Convert to fraction form
    19,615.80/29,423.70 = 16,663.35/x
  3. Step 3: Cross multiply
    19,615.80x = 29,423.70 × 16,663.35
  4. Step 4: Simplify right side
    19,615.80x = 490,297,411.40
  5. Step 5: Solve for x
    x = 490,297,411.40/19,615.80
  6. Step 6: Final answer
    x = 24,995.03

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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.