Home / 35,528.98-49,031.58-20,426.53

Finding the Fourth Proportional to 35,528.98, 49,031.58 and 20,426.53

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Solution

The fourth proportional to 35,528.98, 49,031.58 and 20,426.53 is: 28,189.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,528.98 : 49,031.58 = 20,426.53 : x
  2. Step 2: Convert to fraction form
    35,528.98/49,031.58 = 20,426.53/x
  3. Step 3: Cross multiply
    35,528.98x = 49,031.58 × 20,426.53
  4. Step 4: Simplify right side
    35,528.98x = 1,001,545,039.82
  5. Step 5: Solve for x
    x = 1,001,545,039.82/35,528.98
  6. Step 6: Final answer
    x = 28,189.52

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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.