Home / 28,104.50-42,144.40-14,953.75

Finding the Fourth Proportional to 28,104.50, 42,144.40 and 14,953.75

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Solution

The fourth proportional to 28,104.50, 42,144.40 and 14,953.75 is: 22,424.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,104.50 : 42,144.40 = 14,953.75 : x
  2. Step 2: Convert to fraction form
    28,104.50/42,144.40 = 14,953.75/x
  3. Step 3: Cross multiply
    28,104.50x = 42,144.40 × 14,953.75
  4. Step 4: Simplify right side
    28,104.50x = 630,216,734.83
  5. Step 5: Solve for x
    x = 630,216,734.83/28,104.50
  6. Step 6: Final answer
    x = 22,424.05

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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.