Home / 19,577.80-29,366.70-15,689.80

Finding the Fourth Proportional to 19,577.80, 29,366.70 and 15,689.80

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Solution

The fourth proportional to 19,577.80, 29,366.70 and 15,689.80 is: 23,534.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,577.80 : 29,366.70 = 15,689.80 : x
  2. Step 2: Convert to fraction form
    19,577.80/29,366.70 = 15,689.80/x
  3. Step 3: Cross multiply
    19,577.80x = 29,366.70 × 15,689.80
  4. Step 4: Simplify right side
    19,577.80x = 460,757,649.66
  5. Step 5: Solve for x
    x = 460,757,649.66/19,577.80
  6. Step 6: Final answer
    x = 23,534.70

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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.