Home / 38,627.64-57,970.62-28,266.12

Finding the Fourth Proportional to 38,627.64, 57,970.62 and 28,266.12

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Solution

The fourth proportional to 38,627.64, 57,970.62 and 28,266.12 is: 42,420.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,627.64 : 57,970.62 = 28,266.12 : x
  2. Step 2: Convert to fraction form
    38,627.64/57,970.62 = 28,266.12/x
  3. Step 3: Cross multiply
    38,627.64x = 57,970.62 × 28,266.12
  4. Step 4: Simplify right side
    38,627.64x = 1,638,604,501.39
  5. Step 5: Solve for x
    x = 1,638,604,501.39/38,627.64
  6. Step 6: Final answer
    x = 42,420.52

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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.