Home / 21,689.04-32,519.52-14,271.04

Finding the Fourth Proportional to 21,689.04, 32,519.52 and 14,271.04

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Solution

The fourth proportional to 21,689.04, 32,519.52 and 14,271.04 is: 21,397.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,689.04 : 32,519.52 = 14,271.04 : x
  2. Step 2: Convert to fraction form
    21,689.04/32,519.52 = 14,271.04/x
  3. Step 3: Cross multiply
    21,689.04x = 32,519.52 × 14,271.04
  4. Step 4: Simplify right side
    21,689.04x = 464,087,370.70
  5. Step 5: Solve for x
    x = 464,087,370.70/21,689.04
  6. Step 6: Final answer
    x = 21,397.32

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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.