Home / 28,887.80-43,346.10-16,417.40

Finding the Fourth Proportional to 28,887.80, 43,346.10 and 16,417.40

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Solution

The fourth proportional to 28,887.80, 43,346.10 and 16,417.40 is: 24,634.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,887.80 : 43,346.10 = 16,417.40 : x
  2. Step 2: Convert to fraction form
    28,887.80/43,346.10 = 16,417.40/x
  3. Step 3: Cross multiply
    28,887.80x = 43,346.10 × 16,417.40
  4. Step 4: Simplify right side
    28,887.80x = 711,630,262.14
  5. Step 5: Solve for x
    x = 711,630,262.14/28,887.80
  6. Step 6: Final answer
    x = 24,634.28

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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.