Home / 38,975.60-58,473-11,276.40

Finding the Fourth Proportional to 38,975.60, 58,473 and 11,276.40

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Solution

The fourth proportional to 38,975.60, 58,473 and 11,276.40 is: 16,917.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,975.60 : 58,473 = 11,276.40 : x
  2. Step 2: Convert to fraction form
    38,975.60/58,473 = 11,276.40/x
  3. Step 3: Cross multiply
    38,975.60x = 58,473 × 11,276.40
  4. Step 4: Simplify right side
    38,975.60x = 659,364,937.20
  5. Step 5: Solve for x
    x = 659,364,937.20/38,975.60
  6. Step 6: Final answer
    x = 16,917.38

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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.