Home / 26,587.38-39,880.80-11,792.19

Finding the Fourth Proportional to 26,587.38, 39,880.80 and 11,792.19

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Solution

The fourth proportional to 26,587.38, 39,880.80 and 11,792.19 is: 17,688.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,587.38 : 39,880.80 = 11,792.19 : x
  2. Step 2: Convert to fraction form
    26,587.38/39,880.80 = 11,792.19/x
  3. Step 3: Cross multiply
    26,587.38x = 39,880.80 × 11,792.19
  4. Step 4: Simplify right side
    26,587.38x = 470,281,970.95
  5. Step 5: Solve for x
    x = 470,281,970.95/26,587.38
  6. Step 6: Final answer
    x = 17,688.17

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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.