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Finding the Fourth Proportional to 15,235.60, 22,853.40 and 14,652.40

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Solution

The fourth proportional to 15,235.60, 22,853.40 and 14,652.40 is: 21,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,235.60 : 22,853.40 = 14,652.40 : x
  2. Step 2: Convert to fraction form
    15,235.60/22,853.40 = 14,652.40/x
  3. Step 3: Cross multiply
    15,235.60x = 22,853.40 × 14,652.40
  4. Step 4: Simplify right side
    15,235.60x = 334,857,158.16
  5. Step 5: Solve for x
    x = 334,857,158.16/15,235.60
  6. Step 6: Final answer
    x = 21,978.60

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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.