Home / 21,804.20-32,706.30-14,368.40

Finding the Fourth Proportional to 21,804.20, 32,706.30 and 14,368.40

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Solution

The fourth proportional to 21,804.20, 32,706.30 and 14,368.40 is: 21,552.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,804.20 : 32,706.30 = 14,368.40 : x
  2. Step 2: Convert to fraction form
    21,804.20/32,706.30 = 14,368.40/x
  3. Step 3: Cross multiply
    21,804.20x = 32,706.30 × 14,368.40
  4. Step 4: Simplify right side
    21,804.20x = 469,937,200.92
  5. Step 5: Solve for x
    x = 469,937,200.92/21,804.20
  6. Step 6: Final answer
    x = 21,552.60

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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.