Home / 40,528.40-60,673.80-28,864.40

Finding the Fourth Proportional to 40,528.40, 60,673.80 and 28,864.40

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Solution

The fourth proportional to 40,528.40, 60,673.80 and 28,864.40 is: 43,211.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,528.40 : 60,673.80 = 28,864.40 : x
  2. Step 2: Convert to fraction form
    40,528.40/60,673.80 = 28,864.40/x
  3. Step 3: Cross multiply
    40,528.40x = 60,673.80 × 28,864.40
  4. Step 4: Simplify right side
    40,528.40x = 1,751,312,832.72
  5. Step 5: Solve for x
    x = 1,751,312,832.72/40,528.40
  6. Step 6: Final answer
    x = 43,211.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.