Home / 19,038.96-28,508.76-15,320.88

Finding the Fourth Proportional to 19,038.96, 28,508.76 and 15,320.88

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Solution

The fourth proportional to 19,038.96, 28,508.76 and 15,320.88 is: 22,941.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038.96 : 28,508.76 = 15,320.88 : x
  2. Step 2: Convert to fraction form
    19,038.96/28,508.76 = 15,320.88/x
  3. Step 3: Cross multiply
    19,038.96x = 28,508.76 × 15,320.88
  4. Step 4: Simplify right side
    19,038.96x = 436,779,290.91
  5. Step 5: Solve for x
    x = 436,779,290.91/19,038.96
  6. Step 6: Final answer
    x = 22,941.34

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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.