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Finding the Fourth Proportional to 26,411.40, 39,381.51 and 23,477.40

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Solution

The fourth proportional to 26,411.40, 39,381.51 and 23,477.40 is: 35,006.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,411.40 : 39,381.51 = 23,477.40 : x
  2. Step 2: Convert to fraction form
    26,411.40/39,381.51 = 23,477.40/x
  3. Step 3: Cross multiply
    26,411.40x = 39,381.51 × 23,477.40
  4. Step 4: Simplify right side
    26,411.40x = 924,575,446.94
  5. Step 5: Solve for x
    x = 924,575,446.94/26,411.40
  6. Step 6: Final answer
    x = 35,006.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.