Home / 28,159.26-42,246.87-14,102.31

Finding the Fourth Proportional to 28,159.26, 42,246.87 and 14,102.31

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Solution

The fourth proportional to 28,159.26, 42,246.87 and 14,102.31 is: 21,157.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,159.26 : 42,246.87 = 14,102.31 : x
  2. Step 2: Convert to fraction form
    28,159.26/42,246.87 = 14,102.31/x
  3. Step 3: Cross multiply
    28,159.26x = 42,246.87 × 14,102.31
  4. Step 4: Simplify right side
    28,159.26x = 595,778,457.27
  5. Step 5: Solve for x
    x = 595,778,457.27/28,159.26
  6. Step 6: Final answer
    x = 21,157.46

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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.