Home / 28,457.28-39,271.04-16,522.88

Finding the Fourth Proportional to 28,457.28, 39,271.04 and 16,522.88

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Solution

The fourth proportional to 28,457.28, 39,271.04 and 16,522.88 is: 22,801.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,457.28 : 39,271.04 = 16,522.88 : x
  2. Step 2: Convert to fraction form
    28,457.28/39,271.04 = 16,522.88/x
  3. Step 3: Cross multiply
    28,457.28x = 39,271.04 × 16,522.88
  4. Step 4: Simplify right side
    28,457.28x = 648,870,681.40
  5. Step 5: Solve for x
    x = 648,870,681.40/28,457.28
  6. Step 6: Final answer
    x = 22,801.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.