Home / 28,331.66-42,497.34-13,536.91

Finding the Fourth Proportional to 28,331.66, 42,497.34 and 13,536.91

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Solution

The fourth proportional to 28,331.66, 42,497.34 and 13,536.91 is: 20,305.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331.66 : 42,497.34 = 13,536.91 : x
  2. Step 2: Convert to fraction form
    28,331.66/42,497.34 = 13,536.91/x
  3. Step 3: Cross multiply
    28,331.66x = 42,497.34 × 13,536.91
  4. Step 4: Simplify right side
    28,331.66x = 575,282,666.82
  5. Step 5: Solve for x
    x = 575,282,666.82/28,331.66
  6. Step 6: Final answer
    x = 20,305.29

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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.