Home / 28,937.52-43,407.72-14,158.80

Finding the Fourth Proportional to 28,937.52, 43,407.72 and 14,158.80

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Solution

The fourth proportional to 28,937.52, 43,407.72 and 14,158.80 is: 21,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,937.52 : 43,407.72 = 14,158.80 : x
  2. Step 2: Convert to fraction form
    28,937.52/43,407.72 = 14,158.80/x
  3. Step 3: Cross multiply
    28,937.52x = 43,407.72 × 14,158.80
  4. Step 4: Simplify right side
    28,937.52x = 614,601,225.94
  5. Step 5: Solve for x
    x = 614,601,225.94/28,937.52
  6. Step 6: Final answer
    x = 21,238.90

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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.