Home / 28,686.96-43,030.44-10,206

Finding the Fourth Proportional to 28,686.96, 43,030.44 and 10,206

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Solution

The fourth proportional to 28,686.96, 43,030.44 and 10,206 is: 15,309.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,686.96 : 43,030.44 = 10,206 : x
  2. Step 2: Convert to fraction form
    28,686.96/43,030.44 = 10,206/x
  3. Step 3: Cross multiply
    28,686.96x = 43,030.44 × 10,206
  4. Step 4: Simplify right side
    28,686.96x = 439,168,670.64
  5. Step 5: Solve for x
    x = 439,168,670.64/28,686.96
  6. Step 6: Final answer
    x = 15,309.00

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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.