Home / 23,430.40-32,333.30-12,819.80

Finding the Fourth Proportional to 23,430.40, 32,333.30 and 12,819.80

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Solution

The fourth proportional to 23,430.40, 32,333.30 and 12,819.80 is: 17,690.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,430.40 : 32,333.30 = 12,819.80 : x
  2. Step 2: Convert to fraction form
    23,430.40/32,333.30 = 12,819.80/x
  3. Step 3: Cross multiply
    23,430.40x = 32,333.30 × 12,819.80
  4. Step 4: Simplify right side
    23,430.40x = 414,506,439.34
  5. Step 5: Solve for x
    x = 414,506,439.34/23,430.40
  6. Step 6: Final answer
    x = 17,690.97

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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.