Home / 28,209.30-42,337.32-14,173.35

Finding the Fourth Proportional to 28,209.30, 42,337.32 and 14,173.35

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Solution

The fourth proportional to 28,209.30, 42,337.32 and 14,173.35 is: 21,271.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,209.30 : 42,337.32 = 14,173.35 : x
  2. Step 2: Convert to fraction form
    28,209.30/42,337.32 = 14,173.35/x
  3. Step 3: Cross multiply
    28,209.30x = 42,337.32 × 14,173.35
  4. Step 4: Simplify right side
    28,209.30x = 600,061,442.51
  5. Step 5: Solve for x
    x = 600,061,442.51/28,209.30
  6. Step 6: Final answer
    x = 21,271.76

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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.