Home / 42,274.17-58,270.05-28,657.80

Finding the Fourth Proportional to 42,274.17, 58,270.05 and 28,657.80

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Solution

The fourth proportional to 42,274.17, 58,270.05 and 28,657.80 is: 39,501.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,274.17 : 58,270.05 = 28,657.80 : x
  2. Step 2: Convert to fraction form
    42,274.17/58,270.05 = 28,657.80/x
  3. Step 3: Cross multiply
    42,274.17x = 58,270.05 × 28,657.80
  4. Step 4: Simplify right side
    42,274.17x = 1,669,891,438.89
  5. Step 5: Solve for x
    x = 1,669,891,438.89/42,274.17
  6. Step 6: Final answer
    x = 39,501.46

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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.