Home / 28,892.48-39,870.24-16,319.04

Finding the Fourth Proportional to 28,892.48, 39,870.24 and 16,319.04

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Solution

The fourth proportional to 28,892.48, 39,870.24 and 16,319.04 is: 22,519.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,892.48 : 39,870.24 = 16,319.04 : x
  2. Step 2: Convert to fraction form
    28,892.48/39,870.24 = 16,319.04/x
  3. Step 3: Cross multiply
    28,892.48x = 39,870.24 × 16,319.04
  4. Step 4: Simplify right side
    28,892.48x = 650,644,041.37
  5. Step 5: Solve for x
    x = 650,644,041.37/28,892.48
  6. Step 6: Final answer
    x = 22,519.49

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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.