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Finding the Fourth Proportional to 24,060, 33,202.80 and 15,690.72

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Solution

The fourth proportional to 24,060, 33,202.80 and 15,690.72 is: 21,653.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,060 : 33,202.80 = 15,690.72 : x
  2. Step 2: Convert to fraction form
    24,060/33,202.80 = 15,690.72/x
  3. Step 3: Cross multiply
    24,060x = 33,202.80 × 15,690.72
  4. Step 4: Simplify right side
    24,060x = 520,975,838.02
  5. Step 5: Solve for x
    x = 520,975,838.02/24,060
  6. Step 6: Final answer
    x = 21,653.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.