Home / 26,913.16-37,114.39-20,528.40

Finding the Fourth Proportional to 26,913.16, 37,114.39 and 20,528.40

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Solution

The fourth proportional to 26,913.16, 37,114.39 and 20,528.40 is: 28,309.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,913.16 : 37,114.39 = 20,528.40 : x
  2. Step 2: Convert to fraction form
    26,913.16/37,114.39 = 20,528.40/x
  3. Step 3: Cross multiply
    26,913.16x = 37,114.39 × 20,528.40
  4. Step 4: Simplify right side
    26,913.16x = 761,898,941.03
  5. Step 5: Solve for x
    x = 761,898,941.03/26,913.16
  6. Step 6: Final answer
    x = 28,309.54

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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.