Home / 21,405.06-32,113.08-12,527.86

Finding the Fourth Proportional to 21,405.06, 32,113.08 and 12,527.86

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Solution

The fourth proportional to 21,405.06, 32,113.08 and 12,527.86 is: 18,795.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,405.06 : 32,113.08 = 12,527.86 : x
  2. Step 2: Convert to fraction form
    21,405.06/32,113.08 = 12,527.86/x
  3. Step 3: Cross multiply
    21,405.06x = 32,113.08 × 12,527.86
  4. Step 4: Simplify right side
    21,405.06x = 402,308,170.41
  5. Step 5: Solve for x
    x = 402,308,170.41/21,405.06
  6. Step 6: Final answer
    x = 18,795.00

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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.