Home / 28,468.47-42,708.73-10,699.29

Finding the Fourth Proportional to 28,468.47, 42,708.73 and 10,699.29

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Solution

The fourth proportional to 28,468.47, 42,708.73 and 10,699.29 is: 16,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,468.47 : 42,708.73 = 10,699.29 : x
  2. Step 2: Convert to fraction form
    28,468.47/42,708.73 = 10,699.29/x
  3. Step 3: Cross multiply
    28,468.47x = 42,708.73 × 10,699.29
  4. Step 4: Simplify right side
    28,468.47x = 456,953,087.80
  5. Step 5: Solve for x
    x = 456,953,087.80/28,468.47
  6. Step 6: Final answer
    x = 16,051.20

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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.