Home / 23,830.71-32,886.42-13,220.35

Finding the Fourth Proportional to 23,830.71, 32,886.42 and 13,220.35

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Solution

The fourth proportional to 23,830.71, 32,886.42 and 13,220.35 is: 18,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,830.71 : 32,886.42 = 13,220.35 : x
  2. Step 2: Convert to fraction form
    23,830.71/32,886.42 = 13,220.35/x
  3. Step 3: Cross multiply
    23,830.71x = 32,886.42 × 13,220.35
  4. Step 4: Simplify right side
    23,830.71x = 434,769,818.21
  5. Step 5: Solve for x
    x = 434,769,818.21/23,830.71
  6. Step 6: Final answer
    x = 18,244.10

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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.