Home / 28,460.77-42,695.71-13,669.36

Finding the Fourth Proportional to 28,460.77, 42,695.71 and 13,669.36

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Solution

The fourth proportional to 28,460.77, 42,695.71 and 13,669.36 is: 20,506.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,460.77 : 42,695.71 = 13,669.36 : x
  2. Step 2: Convert to fraction form
    28,460.77/42,695.71 = 13,669.36/x
  3. Step 3: Cross multiply
    28,460.77x = 42,695.71 × 13,669.36
  4. Step 4: Simplify right side
    28,460.77x = 583,622,889.53
  5. Step 5: Solve for x
    x = 583,622,889.53/28,460.77
  6. Step 6: Final answer
    x = 20,506.22

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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.