Home / 28,935.40-43,405.02-10,465

Finding the Fourth Proportional to 28,935.40, 43,405.02 and 10,465

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Solution

The fourth proportional to 28,935.40, 43,405.02 and 10,465 is: 15,698.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,935.40 : 43,405.02 = 10,465 : x
  2. Step 2: Convert to fraction form
    28,935.40/43,405.02 = 10,465/x
  3. Step 3: Cross multiply
    28,935.40x = 43,405.02 × 10,465
  4. Step 4: Simplify right side
    28,935.40x = 454,233,534.30
  5. Step 5: Solve for x
    x = 454,233,534.30/28,935.40
  6. Step 6: Final answer
    x = 15,698.19

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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.