Home / 52,415.36-72,332.16-28,542.32

Finding the Fourth Proportional to 52,415.36, 72,332.16 and 28,542.32

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Solution

The fourth proportional to 52,415.36, 72,332.16 and 28,542.32 is: 39,387.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,415.36 : 72,332.16 = 28,542.32 : x
  2. Step 2: Convert to fraction form
    52,415.36/72,332.16 = 28,542.32/x
  3. Step 3: Cross multiply
    52,415.36x = 72,332.16 × 28,542.32
  4. Step 4: Simplify right side
    52,415.36x = 2,064,527,657.01
  5. Step 5: Solve for x
    x = 2,064,527,657.01/52,415.36
  6. Step 6: Final answer
    x = 39,387.84

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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.