Home / 19,010.10-28,547.55-13,502.10

Finding the Fourth Proportional to 19,010.10, 28,547.55 and 13,502.10

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Solution

The fourth proportional to 19,010.10, 28,547.55 and 13,502.10 is: 20,276.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010.10 : 28,547.55 = 13,502.10 : x
  2. Step 2: Convert to fraction form
    19,010.10/28,547.55 = 13,502.10/x
  3. Step 3: Cross multiply
    19,010.10x = 28,547.55 × 13,502.10
  4. Step 4: Simplify right side
    19,010.10x = 385,451,874.86
  5. Step 5: Solve for x
    x = 385,451,874.86/19,010.10
  6. Step 6: Final answer
    x = 20,276.16

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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.