Home / 29,378.23-40,526.94-18,756.70

Finding the Fourth Proportional to 29,378.23, 40,526.94 and 18,756.70

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Solution

The fourth proportional to 29,378.23, 40,526.94 and 18,756.70 is: 25,874.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,378.23 : 40,526.94 = 18,756.70 : x
  2. Step 2: Convert to fraction form
    29,378.23/40,526.94 = 18,756.70/x
  3. Step 3: Cross multiply
    29,378.23x = 40,526.94 × 18,756.70
  4. Step 4: Simplify right side
    29,378.23x = 760,151,655.50
  5. Step 5: Solve for x
    x = 760,151,655.50/29,378.23
  6. Step 6: Final answer
    x = 25,874.66

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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.