Home / 28,126.85-42,196.95-14,976.50

Finding the Fourth Proportional to 28,126.85, 42,196.95 and 14,976.50

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Solution

The fourth proportional to 28,126.85, 42,196.95 and 14,976.50 is: 22,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,126.85 : 42,196.95 = 14,976.50 : x
  2. Step 2: Convert to fraction form
    28,126.85/42,196.95 = 14,976.50/x
  3. Step 3: Cross multiply
    28,126.85x = 42,196.95 × 14,976.50
  4. Step 4: Simplify right side
    28,126.85x = 631,962,410.69
  5. Step 5: Solve for x
    x = 631,962,410.69/28,126.85
  6. Step 6: Final answer
    x = 22,468.30

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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.