Home / 28,801.36-39,747.26-16,055.40

Finding the Fourth Proportional to 28,801.36, 39,747.26 and 16,055.40

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Solution

The fourth proportional to 28,801.36, 39,747.26 and 16,055.40 is: 22,157.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,801.36 : 39,747.26 = 16,055.40 : x
  2. Step 2: Convert to fraction form
    28,801.36/39,747.26 = 16,055.40/x
  3. Step 3: Cross multiply
    28,801.36x = 39,747.26 × 16,055.40
  4. Step 4: Simplify right side
    28,801.36x = 638,158,158.20
  5. Step 5: Solve for x
    x = 638,158,158.20/28,801.36
  6. Step 6: Final answer
    x = 22,157.22

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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.