Home / 28,055.48-38,730.59-17,448.53

Finding the Fourth Proportional to 28,055.48, 38,730.59 and 17,448.53

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Solution

The fourth proportional to 28,055.48, 38,730.59 and 17,448.53 is: 24,087.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,055.48 : 38,730.59 = 17,448.53 : x
  2. Step 2: Convert to fraction form
    28,055.48/38,730.59 = 17,448.53/x
  3. Step 3: Cross multiply
    28,055.48x = 38,730.59 × 17,448.53
  4. Step 4: Simplify right side
    28,055.48x = 675,791,774.29
  5. Step 5: Solve for x
    x = 675,791,774.29/28,055.48
  6. Step 6: Final answer
    x = 24,087.69

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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.