Home / 28,643.24-42,977.10-15,504.92

Finding the Fourth Proportional to 28,643.24, 42,977.10 and 15,504.92

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Solution

The fourth proportional to 28,643.24, 42,977.10 and 15,504.92 is: 23,264.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,643.24 : 42,977.10 = 15,504.92 : x
  2. Step 2: Convert to fraction form
    28,643.24/42,977.10 = 15,504.92/x
  3. Step 3: Cross multiply
    28,643.24x = 42,977.10 × 15,504.92
  4. Step 4: Simplify right side
    28,643.24x = 666,356,497.33
  5. Step 5: Solve for x
    x = 666,356,497.33/28,643.24
  6. Step 6: Final answer
    x = 23,264.01

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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.