Home / 28,290.36-42,444.77-13,497.37

Finding the Fourth Proportional to 28,290.36, 42,444.77 and 13,497.37

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Solution

The fourth proportional to 28,290.36, 42,444.77 and 13,497.37 is: 20,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,290.36 : 42,444.77 = 13,497.37 : x
  2. Step 2: Convert to fraction form
    28,290.36/42,444.77 = 13,497.37/x
  3. Step 3: Cross multiply
    28,290.36x = 42,444.77 × 13,497.37
  4. Step 4: Simplify right side
    28,290.36x = 572,892,591.66
  5. Step 5: Solve for x
    x = 572,892,591.66/28,290.36
  6. Step 6: Final answer
    x = 20,250.45

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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.