Home / 28,468.98-42,690.15-16,626.20

Finding the Fourth Proportional to 28,468.98, 42,690.15 and 16,626.20

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Solution

The fourth proportional to 28,468.98, 42,690.15 and 16,626.20 is: 24,931.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,468.98 : 42,690.15 = 16,626.20 : x
  2. Step 2: Convert to fraction form
    28,468.98/42,690.15 = 16,626.20/x
  3. Step 3: Cross multiply
    28,468.98x = 42,690.15 × 16,626.20
  4. Step 4: Simplify right side
    28,468.98x = 709,774,758.48
  5. Step 5: Solve for x
    x = 709,774,758.48/28,468.98
  6. Step 6: Final answer
    x = 24,931.51

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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.