Home / 28,467.95-42,728.05-14,437.74

Finding the Fourth Proportional to 28,467.95, 42,728.05 and 14,437.74

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Solution

The fourth proportional to 28,467.95, 42,728.05 and 14,437.74 is: 21,669.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,467.95 : 42,728.05 = 14,437.74 : x
  2. Step 2: Convert to fraction form
    28,467.95/42,728.05 = 14,437.74/x
  3. Step 3: Cross multiply
    28,467.95x = 42,728.05 × 14,437.74
  4. Step 4: Simplify right side
    28,467.95x = 616,896,476.61
  5. Step 5: Solve for x
    x = 616,896,476.61/28,467.95
  6. Step 6: Final answer
    x = 21,669.86

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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.