Home / 21,029.86-31,551.62-14,038.29

Finding the Fourth Proportional to 21,029.86, 31,551.62 and 14,038.29

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Solution

The fourth proportional to 21,029.86, 31,551.62 and 14,038.29 is: 21,062.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,029.86 : 31,551.62 = 14,038.29 : x
  2. Step 2: Convert to fraction form
    21,029.86/31,551.62 = 14,038.29/x
  3. Step 3: Cross multiply
    21,029.86x = 31,551.62 × 14,038.29
  4. Step 4: Simplify right side
    21,029.86x = 442,930,756.43
  5. Step 5: Solve for x
    x = 442,930,756.43/21,029.86
  6. Step 6: Final answer
    x = 21,062.00

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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.