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Finding the Fourth Proportional to 86,807.80, 130,223.80 and 26,841.17

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Solution

The fourth proportional to 86,807.80, 130,223.80 and 26,841.17 is: 40,265.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,807.80 : 130,223.80 = 26,841.17 : x
  2. Step 2: Convert to fraction form
    86,807.80/130,223.80 = 26,841.17/x
  3. Step 3: Cross multiply
    86,807.80x = 130,223.80 × 26,841.17
  4. Step 4: Simplify right side
    86,807.80x = 3,495,359,153.85
  5. Step 5: Solve for x
    x = 3,495,359,153.85/86,807.80
  6. Step 6: Final answer
    x = 40,265.50

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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.