Home / 28,070.76-38,700.38-23,272.58

Finding the Fourth Proportional to 28,070.76, 38,700.38 and 23,272.58

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Solution

The fourth proportional to 28,070.76, 38,700.38 and 23,272.58 is: 32,085.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,070.76 : 38,700.38 = 23,272.58 : x
  2. Step 2: Convert to fraction form
    28,070.76/38,700.38 = 23,272.58/x
  3. Step 3: Cross multiply
    28,070.76x = 38,700.38 × 23,272.58
  4. Step 4: Simplify right side
    28,070.76x = 900,657,689.58
  5. Step 5: Solve for x
    x = 900,657,689.58/28,070.76
  6. Step 6: Final answer
    x = 32,085.26

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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.