Home / 19,931.90-29,897.85-16,675.70

Finding the Fourth Proportional to 19,931.90, 29,897.85 and 16,675.70

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Solution

The fourth proportional to 19,931.90, 29,897.85 and 16,675.70 is: 25,013.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931.90 : 29,897.85 = 16,675.70 : x
  2. Step 2: Convert to fraction form
    19,931.90/29,897.85 = 16,675.70/x
  3. Step 3: Cross multiply
    19,931.90x = 29,897.85 × 16,675.70
  4. Step 4: Simplify right side
    19,931.90x = 498,567,577.25
  5. Step 5: Solve for x
    x = 498,567,577.25/19,931.90
  6. Step 6: Final answer
    x = 25,013.55

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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.