Home / 28,726.74-43,088.99-14,686.60

Finding the Fourth Proportional to 28,726.74, 43,088.99 and 14,686.60

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Solution

The fourth proportional to 28,726.74, 43,088.99 and 14,686.60 is: 22,029.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,726.74 : 43,088.99 = 14,686.60 : x
  2. Step 2: Convert to fraction form
    28,726.74/43,088.99 = 14,686.60/x
  3. Step 3: Cross multiply
    28,726.74x = 43,088.99 × 14,686.60
  4. Step 4: Simplify right side
    28,726.74x = 632,830,687.10
  5. Step 5: Solve for x
    x = 632,830,687.10/28,726.74
  6. Step 6: Final answer
    x = 22,029.33

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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.