Home / 21,358.86-32,045.15-10,266.35

Finding the Fourth Proportional to 21,358.86, 32,045.15 and 10,266.35

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Solution

The fourth proportional to 21,358.86, 32,045.15 and 10,266.35 is: 15,402.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,358.86 : 32,045.15 = 10,266.35 : x
  2. Step 2: Convert to fraction form
    21,358.86/32,045.15 = 10,266.35/x
  3. Step 3: Cross multiply
    21,358.86x = 32,045.15 × 10,266.35
  4. Step 4: Simplify right side
    21,358.86x = 328,986,514.15
  5. Step 5: Solve for x
    x = 328,986,514.15/21,358.86
  6. Step 6: Final answer
    x = 15,402.81

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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.