Home / 53,267.32-79,887.30-15,818.56

Finding the Fourth Proportional to 53,267.32, 79,887.30 and 15,818.56

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Solution

The fourth proportional to 53,267.32, 79,887.30 and 15,818.56 is: 23,723.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,267.32 : 79,887.30 = 15,818.56 : x
  2. Step 2: Convert to fraction form
    53,267.32/79,887.30 = 15,818.56/x
  3. Step 3: Cross multiply
    53,267.32x = 79,887.30 × 15,818.56
  4. Step 4: Simplify right side
    53,267.32x = 1,263,702,048.29
  5. Step 5: Solve for x
    x = 1,263,702,048.29/53,267.32
  6. Step 6: Final answer
    x = 23,723.78

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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.