Home / 21,790.08-32,693.04-13,373.76

Finding the Fourth Proportional to 21,790.08, 32,693.04 and 13,373.76

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Solution

The fourth proportional to 21,790.08, 32,693.04 and 13,373.76 is: 20,065.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,790.08 : 32,693.04 = 13,373.76 : x
  2. Step 2: Convert to fraction form
    21,790.08/32,693.04 = 13,373.76/x
  3. Step 3: Cross multiply
    21,790.08x = 32,693.04 × 13,373.76
  4. Step 4: Simplify right side
    21,790.08x = 437,228,870.63
  5. Step 5: Solve for x
    x = 437,228,870.63/21,790.08
  6. Step 6: Final answer
    x = 20,065.50

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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.