Home / 28,585.49-42,804.80-18,695.93

Finding the Fourth Proportional to 28,585.49, 42,804.80 and 18,695.93

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Solution

The fourth proportional to 28,585.49, 42,804.80 and 18,695.93 is: 27,995.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585.49 : 42,804.80 = 18,695.93 : x
  2. Step 2: Convert to fraction form
    28,585.49/42,804.80 = 18,695.93/x
  3. Step 3: Cross multiply
    28,585.49x = 42,804.80 × 18,695.93
  4. Step 4: Simplify right side
    28,585.49x = 800,275,544.46
  5. Step 5: Solve for x
    x = 800,275,544.46/28,585.49
  6. Step 6: Final answer
    x = 27,995.87

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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.