Home / 27,870.15-41,740.43-19,057.35

Finding the Fourth Proportional to 27,870.15, 41,740.43 and 19,057.35

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Solution

The fourth proportional to 27,870.15, 41,740.43 and 19,057.35 is: 28,541.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,870.15 : 41,740.43 = 19,057.35 : x
  2. Step 2: Convert to fraction form
    27,870.15/41,740.43 = 19,057.35/x
  3. Step 3: Cross multiply
    27,870.15x = 41,740.43 × 19,057.35
  4. Step 4: Simplify right side
    27,870.15x = 795,461,888.37
  5. Step 5: Solve for x
    x = 795,461,888.37/27,870.15
  6. Step 6: Final answer
    x = 28,541.72

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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.