Home / 28,417.58-39,216.17-16,487.90

Finding the Fourth Proportional to 28,417.58, 39,216.17 and 16,487.90

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Solution

The fourth proportional to 28,417.58, 39,216.17 and 16,487.90 is: 22,753.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,417.58 : 39,216.17 = 16,487.90 : x
  2. Step 2: Convert to fraction form
    28,417.58/39,216.17 = 16,487.90/x
  3. Step 3: Cross multiply
    28,417.58x = 39,216.17 × 16,487.90
  4. Step 4: Simplify right side
    28,417.58x = 646,592,093.26
  5. Step 5: Solve for x
    x = 646,592,093.26/28,417.58
  6. Step 6: Final answer
    x = 22,753.25

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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.