Home / 38,338.47-52,892.40-28,290.90

Finding the Fourth Proportional to 38,338.47, 52,892.40 and 28,290.90

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Solution

The fourth proportional to 38,338.47, 52,892.40 and 28,290.90 is: 39,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,338.47 : 52,892.40 = 28,290.90 : x
  2. Step 2: Convert to fraction form
    38,338.47/52,892.40 = 28,290.90/x
  3. Step 3: Cross multiply
    38,338.47x = 52,892.40 × 28,290.90
  4. Step 4: Simplify right side
    38,338.47x = 1,496,373,599.16
  5. Step 5: Solve for x
    x = 1,496,373,599.16/38,338.47
  6. Step 6: Final answer
    x = 39,030.60

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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.