Home / 28,119.22-42,152.91-14,264.98

Finding the Fourth Proportional to 28,119.22, 42,152.91 and 14,264.98

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Solution

The fourth proportional to 28,119.22, 42,152.91 and 14,264.98 is: 21,384.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,119.22 : 42,152.91 = 14,264.98 : x
  2. Step 2: Convert to fraction form
    28,119.22/42,152.91 = 14,264.98/x
  3. Step 3: Cross multiply
    28,119.22x = 42,152.91 × 14,264.98
  4. Step 4: Simplify right side
    28,119.22x = 601,310,418.09
  5. Step 5: Solve for x
    x = 601,310,418.09/28,119.22
  6. Step 6: Final answer
    x = 21,384.32

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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.