Home / 28,420.14-42,579.12-16,726.98

Finding the Fourth Proportional to 28,420.14, 42,579.12 and 16,726.98

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Solution

The fourth proportional to 28,420.14, 42,579.12 and 16,726.98 is: 25,060.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,420.14 : 42,579.12 = 16,726.98 : x
  2. Step 2: Convert to fraction form
    28,420.14/42,579.12 = 16,726.98/x
  3. Step 3: Cross multiply
    28,420.14x = 42,579.12 × 16,726.98
  4. Step 4: Simplify right side
    28,420.14x = 712,220,088.66
  5. Step 5: Solve for x
    x = 712,220,088.66/28,420.14
  6. Step 6: Final answer
    x = 25,060.40

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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.