Home / 28,417.44-42,624.60-8,695.98

Finding the Fourth Proportional to 28,417.44, 42,624.60 and 8,695.98

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Solution

The fourth proportional to 28,417.44, 42,624.60 and 8,695.98 is: 13,043.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,417.44 : 42,624.60 = 8,695.98 : x
  2. Step 2: Convert to fraction form
    28,417.44/42,624.60 = 8,695.98/x
  3. Step 3: Cross multiply
    28,417.44x = 42,624.60 × 8,695.98
  4. Step 4: Simplify right side
    28,417.44x = 370,662,669.11
  5. Step 5: Solve for x
    x = 370,662,669.11/28,417.44
  6. Step 6: Final answer
    x = 13,043.49

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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.