Home / 42,492.70-58,642.81-28,127.79

Finding the Fourth Proportional to 42,492.70, 58,642.81 and 28,127.79

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Solution

The fourth proportional to 42,492.70, 58,642.81 and 28,127.79 is: 38,818.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,492.70 : 58,642.81 = 28,127.79 : x
  2. Step 2: Convert to fraction form
    42,492.70/58,642.81 = 28,127.79/x
  3. Step 3: Cross multiply
    42,492.70x = 58,642.81 × 28,127.79
  4. Step 4: Simplify right side
    42,492.70x = 1,649,492,900.88
  5. Step 5: Solve for x
    x = 1,649,492,900.88/42,492.70
  6. Step 6: Final answer
    x = 38,818.26

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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.