Home / 28,373.49-39,148.92-17,039.16

Finding the Fourth Proportional to 28,373.49, 39,148.92 and 17,039.16

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Solution

The fourth proportional to 28,373.49, 39,148.92 and 17,039.16 is: 23,510.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,373.49 : 39,148.92 = 17,039.16 : x
  2. Step 2: Convert to fraction form
    28,373.49/39,148.92 = 17,039.16/x
  3. Step 3: Cross multiply
    28,373.49x = 39,148.92 × 17,039.16
  4. Step 4: Simplify right side
    28,373.49x = 667,064,711.71
  5. Step 5: Solve for x
    x = 667,064,711.71/28,373.49
  6. Step 6: Final answer
    x = 23,510.14

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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.