Home / 32,864.68-45,385.14-28,121.32

Finding the Fourth Proportional to 32,864.68, 45,385.14 and 28,121.32

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Solution

The fourth proportional to 32,864.68, 45,385.14 and 28,121.32 is: 38,834.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,864.68 : 45,385.14 = 28,121.32 : x
  2. Step 2: Convert to fraction form
    32,864.68/45,385.14 = 28,121.32/x
  3. Step 3: Cross multiply
    32,864.68x = 45,385.14 × 28,121.32
  4. Step 4: Simplify right side
    32,864.68x = 1,276,290,045.18
  5. Step 5: Solve for x
    x = 1,276,290,045.18/32,864.68
  6. Step 6: Final answer
    x = 38,834.70

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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.