Home / 28,374.12-39,157.22-16,276.68

Finding the Fourth Proportional to 28,374.12, 39,157.22 and 16,276.68

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Solution

The fourth proportional to 28,374.12, 39,157.22 and 16,276.68 is: 22,462.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,374.12 : 39,157.22 = 16,276.68 : x
  2. Step 2: Convert to fraction form
    28,374.12/39,157.22 = 16,276.68/x
  3. Step 3: Cross multiply
    28,374.12x = 39,157.22 × 16,276.68
  4. Step 4: Simplify right side
    28,374.12x = 637,349,539.63
  5. Step 5: Solve for x
    x = 637,349,539.63/28,374.12
  6. Step 6: Final answer
    x = 22,462.35

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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.