Home / 21,044.85-31,567.28-14,038.55

Finding the Fourth Proportional to 21,044.85, 31,567.28 and 14,038.55

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Solution

The fourth proportional to 21,044.85, 31,567.28 and 14,038.55 is: 21,057.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,044.85 : 31,567.28 = 14,038.55 : x
  2. Step 2: Convert to fraction form
    21,044.85/31,567.28 = 14,038.55/x
  3. Step 3: Cross multiply
    21,044.85x = 31,567.28 × 14,038.55
  4. Step 4: Simplify right side
    21,044.85x = 443,158,838.64
  5. Step 5: Solve for x
    x = 443,158,838.64/21,044.85
  6. Step 6: Final answer
    x = 21,057.83

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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.