Home / 28,118.72-42,176.56-14,267.36

Finding the Fourth Proportional to 28,118.72, 42,176.56 and 14,267.36

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Solution

The fourth proportional to 28,118.72, 42,176.56 and 14,267.36 is: 21,400.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,118.72 : 42,176.56 = 14,267.36 : x
  2. Step 2: Convert to fraction form
    28,118.72/42,176.56 = 14,267.36/x
  3. Step 3: Cross multiply
    28,118.72x = 42,176.56 × 14,267.36
  4. Step 4: Simplify right side
    28,118.72x = 601,748,165.08
  5. Step 5: Solve for x
    x = 601,748,165.08/28,118.72
  6. Step 6: Final answer
    x = 21,400.27

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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.