Home / 26,260.47-39,390.71-8,730.45

Finding the Fourth Proportional to 26,260.47, 39,390.71 and 8,730.45

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Solution

The fourth proportional to 26,260.47, 39,390.71 and 8,730.45 is: 13,095.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,260.47 : 39,390.71 = 8,730.45 : x
  2. Step 2: Convert to fraction form
    26,260.47/39,390.71 = 8,730.45/x
  3. Step 3: Cross multiply
    26,260.47x = 39,390.71 × 8,730.45
  4. Step 4: Simplify right side
    26,260.47x = 343,898,580.47
  5. Step 5: Solve for x
    x = 343,898,580.47/26,260.47
  6. Step 6: Final answer
    x = 13,095.68

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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.