Home / 25,870.60-38,810.22-9,226.72

Finding the Fourth Proportional to 25,870.60, 38,810.22 and 9,226.72

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Solution

The fourth proportional to 25,870.60, 38,810.22 and 9,226.72 is: 13,841.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,870.60 : 38,810.22 = 9,226.72 : x
  2. Step 2: Convert to fraction form
    25,870.60/38,810.22 = 9,226.72/x
  3. Step 3: Cross multiply
    25,870.60x = 38,810.22 × 9,226.72
  4. Step 4: Simplify right side
    25,870.60x = 358,091,033.08
  5. Step 5: Solve for x
    x = 358,091,033.08/25,870.60
  6. Step 6: Final answer
    x = 13,841.62

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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.