Home / 28,973.70-40,071.71-25,988.45

Finding the Fourth Proportional to 28,973.70, 40,071.71 and 25,988.45

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Solution

The fourth proportional to 28,973.70, 40,071.71 and 25,988.45 is: 35,942.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973.70 : 40,071.71 = 25,988.45 : x
  2. Step 2: Convert to fraction form
    28,973.70/40,071.71 = 25,988.45/x
  3. Step 3: Cross multiply
    28,973.70x = 40,071.71 × 25,988.45
  4. Step 4: Simplify right side
    28,973.70x = 1,041,401,496.36
  5. Step 5: Solve for x
    x = 1,041,401,496.36/28,973.70
  6. Step 6: Final answer
    x = 35,942.99

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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.