Home / 28,274.70-42,412.05-16,416.30

Finding the Fourth Proportional to 28,274.70, 42,412.05 and 16,416.30

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Solution

The fourth proportional to 28,274.70, 42,412.05 and 16,416.30 is: 24,624.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,274.70 : 42,412.05 = 16,416.30 : x
  2. Step 2: Convert to fraction form
    28,274.70/42,412.05 = 16,416.30/x
  3. Step 3: Cross multiply
    28,274.70x = 42,412.05 × 16,416.30
  4. Step 4: Simplify right side
    28,274.70x = 696,248,936.42
  5. Step 5: Solve for x
    x = 696,248,936.42/28,274.70
  6. Step 6: Final answer
    x = 24,624.45

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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.