Home / 52,421.09-72,338.58-28,547.61

Finding the Fourth Proportional to 52,421.09, 72,338.58 and 28,547.61

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Solution

The fourth proportional to 52,421.09, 72,338.58 and 28,547.61 is: 39,394.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,421.09 : 72,338.58 = 28,547.61 : x
  2. Step 2: Convert to fraction form
    52,421.09/72,338.58 = 28,547.61/x
  3. Step 3: Cross multiply
    52,421.09x = 72,338.58 × 28,547.61
  4. Step 4: Simplify right side
    52,421.09x = 2,065,093,569.79
  5. Step 5: Solve for x
    x = 2,065,093,569.79/52,421.09
  6. Step 6: Final answer
    x = 39,394.33

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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.