Home / 28,058.36-38,718.24-15,483.08

Finding the Fourth Proportional to 28,058.36, 38,718.24 and 15,483.08

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Solution

The fourth proportional to 28,058.36, 38,718.24 and 15,483.08 is: 21,365.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,058.36 : 38,718.24 = 15,483.08 : x
  2. Step 2: Convert to fraction form
    28,058.36/38,718.24 = 15,483.08/x
  3. Step 3: Cross multiply
    28,058.36x = 38,718.24 × 15,483.08
  4. Step 4: Simplify right side
    28,058.36x = 599,477,607.38
  5. Step 5: Solve for x
    x = 599,477,607.38/28,058.36
  6. Step 6: Final answer
    x = 21,365.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.