Home / 19,088.10-28,641.70-8,565.65

Finding the Fourth Proportional to 19,088.10, 28,641.70 and 8,565.65

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Solution

The fourth proportional to 19,088.10, 28,641.70 and 8,565.65 is: 12,852.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,088.10 : 28,641.70 = 8,565.65 : x
  2. Step 2: Convert to fraction form
    19,088.10/28,641.70 = 8,565.65/x
  3. Step 3: Cross multiply
    19,088.10x = 28,641.70 × 8,565.65
  4. Step 4: Simplify right side
    19,088.10x = 245,334,752.51
  5. Step 5: Solve for x
    x = 245,334,752.51/19,088.10
  6. Step 6: Final answer
    x = 12,852.76

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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.