Home / 52,837.86-72,917.13-28,639.59

Finding the Fourth Proportional to 52,837.86, 72,917.13 and 28,639.59

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Solution

The fourth proportional to 52,837.86, 72,917.13 and 28,639.59 is: 39,523.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,837.86 : 72,917.13 = 28,639.59 : x
  2. Step 2: Convert to fraction form
    52,837.86/72,917.13 = 28,639.59/x
  3. Step 3: Cross multiply
    52,837.86x = 72,917.13 × 28,639.59
  4. Step 4: Simplify right side
    52,837.86x = 2,088,316,707.18
  5. Step 5: Solve for x
    x = 2,088,316,707.18/52,837.86
  6. Step 6: Final answer
    x = 39,523.11

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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.