Home / 26,430.89-39,666.04-10,636.06

Finding the Fourth Proportional to 26,430.89, 39,666.04 and 10,636.06

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Solution

The fourth proportional to 26,430.89, 39,666.04 and 10,636.06 is: 15,962.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,430.89 : 39,666.04 = 10,636.06 : x
  2. Step 2: Convert to fraction form
    26,430.89/39,666.04 = 10,636.06/x
  3. Step 3: Cross multiply
    26,430.89x = 39,666.04 × 10,636.06
  4. Step 4: Simplify right side
    26,430.89x = 421,890,295.53
  5. Step 5: Solve for x
    x = 421,890,295.53/26,430.89
  6. Step 6: Final answer
    x = 15,962.02

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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.