Home / 42,688.08-58,914-26,773.20

Finding the Fourth Proportional to 42,688.08, 58,914 and 26,773.20

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Solution

The fourth proportional to 42,688.08, 58,914 and 26,773.20 is: 36,949.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,688.08 : 58,914 = 26,773.20 : x
  2. Step 2: Convert to fraction form
    42,688.08/58,914 = 26,773.20/x
  3. Step 3: Cross multiply
    42,688.08x = 58,914 × 26,773.20
  4. Step 4: Simplify right side
    42,688.08x = 1,577,316,304.80
  5. Step 5: Solve for x
    x = 1,577,316,304.80/42,688.08
  6. Step 6: Final answer
    x = 36,949.81

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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.