Home / 21,779.22-32,669.01-6,988.16

Finding the Fourth Proportional to 21,779.22, 32,669.01 and 6,988.16

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Solution

The fourth proportional to 21,779.22, 32,669.01 and 6,988.16 is: 10,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,779.22 : 32,669.01 = 6,988.16 : x
  2. Step 2: Convert to fraction form
    21,779.22/32,669.01 = 6,988.16/x
  3. Step 3: Cross multiply
    21,779.22x = 32,669.01 × 6,988.16
  4. Step 4: Simplify right side
    21,779.22x = 228,296,268.92
  5. Step 5: Solve for x
    x = 228,296,268.92/21,779.22
  6. Step 6: Final answer
    x = 10,482.30

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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.