Home / 42,878.16-59,152.08-27,775.86

Finding the Fourth Proportional to 42,878.16, 59,152.08 and 27,775.86

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Solution

The fourth proportional to 42,878.16, 59,152.08 and 27,775.86 is: 38,317.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,878.16 : 59,152.08 = 27,775.86 : x
  2. Step 2: Convert to fraction form
    42,878.16/59,152.08 = 27,775.86/x
  3. Step 3: Cross multiply
    42,878.16x = 59,152.08 × 27,775.86
  4. Step 4: Simplify right side
    42,878.16x = 1,642,999,892.79
  5. Step 5: Solve for x
    x = 1,642,999,892.79/42,878.16
  6. Step 6: Final answer
    x = 38,317.87

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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.