Home / 28,774.16-39,707.74-16,027.31

Finding the Fourth Proportional to 28,774.16, 39,707.74 and 16,027.31

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Solution

The fourth proportional to 28,774.16, 39,707.74 and 16,027.31 is: 22,117.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,774.16 : 39,707.74 = 16,027.31 : x
  2. Step 2: Convert to fraction form
    28,774.16/39,707.74 = 16,027.31/x
  3. Step 3: Cross multiply
    28,774.16x = 39,707.74 × 16,027.31
  4. Step 4: Simplify right side
    28,774.16x = 636,408,178.24
  5. Step 5: Solve for x
    x = 636,408,178.24/28,774.16
  6. Step 6: Final answer
    x = 22,117.35

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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.