Home / 38,400.16-52,988.40-28,334.08

Finding the Fourth Proportional to 38,400.16, 52,988.40 and 28,334.08

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Solution

The fourth proportional to 38,400.16, 52,988.40 and 28,334.08 is: 39,098.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,400.16 : 52,988.40 = 28,334.08 : x
  2. Step 2: Convert to fraction form
    38,400.16/52,988.40 = 28,334.08/x
  3. Step 3: Cross multiply
    38,400.16x = 52,988.40 × 28,334.08
  4. Step 4: Simplify right side
    38,400.16x = 1,501,377,564.67
  5. Step 5: Solve for x
    x = 1,501,377,564.67/38,400.16
  6. Step 6: Final answer
    x = 39,098.21

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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.