Home / 28,412.20-42,551.81-14,337.97

Finding the Fourth Proportional to 28,412.20, 42,551.81 and 14,337.97

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Solution

The fourth proportional to 28,412.20, 42,551.81 and 14,337.97 is: 21,473.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,412.20 : 42,551.81 = 14,337.97 : x
  2. Step 2: Convert to fraction form
    28,412.20/42,551.81 = 14,337.97/x
  3. Step 3: Cross multiply
    28,412.20x = 42,551.81 × 14,337.97
  4. Step 4: Simplify right side
    28,412.20x = 610,106,575.23
  5. Step 5: Solve for x
    x = 610,106,575.23/28,412.20
  6. Step 6: Final answer
    x = 21,473.40

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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.