Home / 28,378.45-42,593.91-14,348.35

Finding the Fourth Proportional to 28,378.45, 42,593.91 and 14,348.35

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Solution

The fourth proportional to 28,378.45, 42,593.91 and 14,348.35 is: 21,535.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,378.45 : 42,593.91 = 14,348.35 : x
  2. Step 2: Convert to fraction form
    28,378.45/42,593.91 = 14,348.35/x
  3. Step 3: Cross multiply
    28,378.45x = 42,593.91 × 14,348.35
  4. Step 4: Simplify right side
    28,378.45x = 611,152,328.55
  5. Step 5: Solve for x
    x = 611,152,328.55/28,378.45
  6. Step 6: Final answer
    x = 21,535.79

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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.