Home / 28,800.36-39,762.89-27,402.05

Finding the Fourth Proportional to 28,800.36, 39,762.89 and 27,402.05

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Solution

The fourth proportional to 28,800.36, 39,762.89 and 27,402.05 is: 37,832.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,800.36 : 39,762.89 = 27,402.05 : x
  2. Step 2: Convert to fraction form
    28,800.36/39,762.89 = 27,402.05/x
  3. Step 3: Cross multiply
    28,800.36x = 39,762.89 × 27,402.05
  4. Step 4: Simplify right side
    28,800.36x = 1,089,584,364.10
  5. Step 5: Solve for x
    x = 1,089,584,364.10/28,800.36
  6. Step 6: Final answer
    x = 37,832.32

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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.