Home / 19,250.20-28,875.30-16,869.40

Finding the Fourth Proportional to 19,250.20, 28,875.30 and 16,869.40

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Solution

The fourth proportional to 19,250.20, 28,875.30 and 16,869.40 is: 25,304.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,250.20 : 28,875.30 = 16,869.40 : x
  2. Step 2: Convert to fraction form
    19,250.20/28,875.30 = 16,869.40/x
  3. Step 3: Cross multiply
    19,250.20x = 28,875.30 × 16,869.40
  4. Step 4: Simplify right side
    19,250.20x = 487,108,985.82
  5. Step 5: Solve for x
    x = 487,108,985.82/19,250.20
  6. Step 6: Final answer
    x = 25,304.10

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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.