Home / 21,368.26-32,048.95-7,327.72

Finding the Fourth Proportional to 21,368.26, 32,048.95 and 7,327.72

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Solution

The fourth proportional to 21,368.26, 32,048.95 and 7,327.72 is: 10,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,368.26 : 32,048.95 = 7,327.72 : x
  2. Step 2: Convert to fraction form
    21,368.26/32,048.95 = 7,327.72/x
  3. Step 3: Cross multiply
    21,368.26x = 32,048.95 × 7,327.72
  4. Step 4: Simplify right side
    21,368.26x = 234,845,731.89
  5. Step 5: Solve for x
    x = 234,845,731.89/21,368.26
  6. Step 6: Final answer
    x = 10,990.40

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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.