Home / 19,070.76-28,588.62-6,587.88

Finding the Fourth Proportional to 19,070.76, 28,588.62 and 6,587.88

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Solution

The fourth proportional to 19,070.76, 28,588.62 and 6,587.88 is: 9,875.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,070.76 : 28,588.62 = 6,587.88 : x
  2. Step 2: Convert to fraction form
    19,070.76/28,588.62 = 6,587.88/x
  3. Step 3: Cross multiply
    19,070.76x = 28,588.62 × 6,587.88
  4. Step 4: Simplify right side
    19,070.76x = 188,338,397.93
  5. Step 5: Solve for x
    x = 188,338,397.93/19,070.76
  6. Step 6: Final answer
    x = 9,875.77

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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.