Home / 26,430.18-39,632.72-15,340.28

Finding the Fourth Proportional to 26,430.18, 39,632.72 and 15,340.28

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Solution

The fourth proportional to 26,430.18, 39,632.72 and 15,340.28 is: 23,003.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,430.18 : 39,632.72 = 15,340.28 : x
  2. Step 2: Convert to fraction form
    26,430.18/39,632.72 = 15,340.28/x
  3. Step 3: Cross multiply
    26,430.18x = 39,632.72 × 15,340.28
  4. Step 4: Simplify right side
    26,430.18x = 607,976,747.10
  5. Step 5: Solve for x
    x = 607,976,747.10/26,430.18
  6. Step 6: Final answer
    x = 23,003.13

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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.