Home / 40,357.04-55,657.26-28,251.32

Finding the Fourth Proportional to 40,357.04, 55,657.26 and 28,251.32

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Solution

The fourth proportional to 40,357.04, 55,657.26 and 28,251.32 is: 38,962.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,357.04 : 55,657.26 = 28,251.32 : x
  2. Step 2: Convert to fraction form
    40,357.04/55,657.26 = 28,251.32/x
  3. Step 3: Cross multiply
    40,357.04x = 55,657.26 × 28,251.32
  4. Step 4: Simplify right side
    40,357.04x = 1,572,390,784.30
  5. Step 5: Solve for x
    x = 1,572,390,784.30/40,357.04
  6. Step 6: Final answer
    x = 38,962.00

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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.