Home / 19,500.27-26,910.30-10,547.78

Finding the Fourth Proportional to 19,500.27, 26,910.30 and 10,547.78

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Solution

The fourth proportional to 19,500.27, 26,910.30 and 10,547.78 is: 14,555.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,500.27 : 26,910.30 = 10,547.78 : x
  2. Step 2: Convert to fraction form
    19,500.27/26,910.30 = 10,547.78/x
  3. Step 3: Cross multiply
    19,500.27x = 26,910.30 × 10,547.78
  4. Step 4: Simplify right side
    19,500.27x = 283,843,829.14
  5. Step 5: Solve for x
    x = 283,843,829.14/19,500.27
  6. Step 6: Final answer
    x = 14,555.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.