Home / 28,417.18-39,215.88-16,487.62

Finding the Fourth Proportional to 28,417.18, 39,215.88 and 16,487.62

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Solution

The fourth proportional to 28,417.18, 39,215.88 and 16,487.62 is: 22,753.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,417.18 : 39,215.88 = 16,487.62 : x
  2. Step 2: Convert to fraction form
    28,417.18/39,215.88 = 16,487.62/x
  3. Step 3: Cross multiply
    28,417.18x = 39,215.88 × 16,487.62
  4. Step 4: Simplify right side
    28,417.18x = 646,576,527.41
  5. Step 5: Solve for x
    x = 646,576,527.41/28,417.18
  6. Step 6: Final answer
    x = 22,753.02

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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.