Home / 31,357.20-43,228.89-26,557.95

Finding the Fourth Proportional to 31,357.20, 43,228.89 and 26,557.95

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Solution

The fourth proportional to 31,357.20, 43,228.89 and 26,557.95 is: 36,612.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,357.20 : 43,228.89 = 26,557.95 : x
  2. Step 2: Convert to fraction form
    31,357.20/43,228.89 = 26,557.95/x
  3. Step 3: Cross multiply
    31,357.20x = 43,228.89 × 26,557.95
  4. Step 4: Simplify right side
    31,357.20x = 1,148,070,699.18
  5. Step 5: Solve for x
    x = 1,148,070,699.18/31,357.20
  6. Step 6: Final answer
    x = 36,612.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.