Home / 21,528.95-32,275.99-6,730.25

Finding the Fourth Proportional to 21,528.95, 32,275.99 and 6,730.25

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Solution

The fourth proportional to 21,528.95, 32,275.99 and 6,730.25 is: 10,089.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,528.95 : 32,275.99 = 6,730.25 : x
  2. Step 2: Convert to fraction form
    21,528.95/32,275.99 = 6,730.25/x
  3. Step 3: Cross multiply
    21,528.95x = 32,275.99 × 6,730.25
  4. Step 4: Simplify right side
    21,528.95x = 217,225,328.73
  5. Step 5: Solve for x
    x = 217,225,328.73/21,528.95
  6. Step 6: Final answer
    x = 10,089.92

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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.