Home / 28,152.60-42,235.30-16,459.80

Finding the Fourth Proportional to 28,152.60, 42,235.30 and 16,459.80

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Solution

The fourth proportional to 28,152.60, 42,235.30 and 16,459.80 is: 24,693.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,152.60 : 42,235.30 = 16,459.80 : x
  2. Step 2: Convert to fraction form
    28,152.60/42,235.30 = 16,459.80/x
  3. Step 3: Cross multiply
    28,152.60x = 42,235.30 × 16,459.80
  4. Step 4: Simplify right side
    28,152.60x = 695,184,590.94
  5. Step 5: Solve for x
    x = 695,184,590.94/28,152.60
  6. Step 6: Final answer
    x = 24,693.44

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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.