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Finding the Fourth Proportional to 56,256.72, 84,393.72 and 16,809.36

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Solution

The fourth proportional to 56,256.72, 84,393.72 and 16,809.36 is: 25,216.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,256.72 : 84,393.72 = 16,809.36 : x
  2. Step 2: Convert to fraction form
    56,256.72/84,393.72 = 16,809.36/x
  3. Step 3: Cross multiply
    56,256.72x = 84,393.72 × 16,809.36
  4. Step 4: Simplify right side
    56,256.72x = 1,418,604,421.22
  5. Step 5: Solve for x
    x = 1,418,604,421.22/56,256.72
  6. Step 6: Final answer
    x = 25,216.62

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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.