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Finding the Fourth Proportional to 56,810.84, 85,216.27 and 15,257.84

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Solution

The fourth proportional to 56,810.84, 85,216.27 and 15,257.84 is: 22,886.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,810.84 : 85,216.27 = 15,257.84 : x
  2. Step 2: Convert to fraction form
    56,810.84/85,216.27 = 15,257.84/x
  3. Step 3: Cross multiply
    56,810.84x = 85,216.27 × 15,257.84
  4. Step 4: Simplify right side
    56,810.84x = 1,300,216,213.06
  5. Step 5: Solve for x
    x = 1,300,216,213.06/56,810.84
  6. Step 6: Final answer
    x = 22,886.76

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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.