Home / 26,001.29-39,006.81-10,420.13

Finding the Fourth Proportional to 26,001.29, 39,006.81 and 10,420.13

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Solution

The fourth proportional to 26,001.29, 39,006.81 and 10,420.13 is: 15,632.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,001.29 : 39,006.81 = 10,420.13 : x
  2. Step 2: Convert to fraction form
    26,001.29/39,006.81 = 10,420.13/x
  3. Step 3: Cross multiply
    26,001.29x = 39,006.81 × 10,420.13
  4. Step 4: Simplify right side
    26,001.29x = 406,456,128.60
  5. Step 5: Solve for x
    x = 406,456,128.60/26,001.29
  6. Step 6: Final answer
    x = 15,632.15

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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.