Home / 28,296.93-42,444.18-8,574.65

Finding the Fourth Proportional to 28,296.93, 42,444.18 and 8,574.65

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Solution

The fourth proportional to 28,296.93, 42,444.18 and 8,574.65 is: 12,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,296.93 : 42,444.18 = 8,574.65 : x
  2. Step 2: Convert to fraction form
    28,296.93/42,444.18 = 8,574.65/x
  3. Step 3: Cross multiply
    28,296.93x = 42,444.18 × 8,574.65
  4. Step 4: Simplify right side
    28,296.93x = 363,943,775.82
  5. Step 5: Solve for x
    x = 363,943,775.82/28,296.93
  6. Step 6: Final answer
    x = 12,861.60

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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.