Home / 28,381.47-42,510.20-23,395.11

Finding the Fourth Proportional to 28,381.47, 42,510.20 and 23,395.11

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Solution

The fourth proportional to 28,381.47, 42,510.20 and 23,395.11 is: 35,041.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,381.47 : 42,510.20 = 23,395.11 : x
  2. Step 2: Convert to fraction form
    28,381.47/42,510.20 = 23,395.11/x
  3. Step 3: Cross multiply
    28,381.47x = 42,510.20 × 23,395.11
  4. Step 4: Simplify right side
    28,381.47x = 994,530,688.15
  5. Step 5: Solve for x
    x = 994,530,688.15/28,381.47
  6. Step 6: Final answer
    x = 35,041.55

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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.