Home / 21,423.95-32,148.08-8,277.25

Finding the Fourth Proportional to 21,423.95, 32,148.08 and 8,277.25

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Solution

The fourth proportional to 21,423.95, 32,148.08 and 8,277.25 is: 12,420.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,423.95 : 32,148.08 = 8,277.25 : x
  2. Step 2: Convert to fraction form
    21,423.95/32,148.08 = 8,277.25/x
  3. Step 3: Cross multiply
    21,423.95x = 32,148.08 × 8,277.25
  4. Step 4: Simplify right side
    21,423.95x = 266,097,695.18
  5. Step 5: Solve for x
    x = 266,097,695.18/21,423.95
  6. Step 6: Final answer
    x = 12,420.57

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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.