Home / 32,868.72-45,263.28-28,560

Finding the Fourth Proportional to 32,868.72, 45,263.28 and 28,560

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Solution

The fourth proportional to 32,868.72, 45,263.28 and 28,560 is: 39,329.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,868.72 : 45,263.28 = 28,560 : x
  2. Step 2: Convert to fraction form
    32,868.72/45,263.28 = 28,560/x
  3. Step 3: Cross multiply
    32,868.72x = 45,263.28 × 28,560
  4. Step 4: Simplify right side
    32,868.72x = 1,292,719,276.80
  5. Step 5: Solve for x
    x = 1,292,719,276.80/32,868.72
  6. Step 6: Final answer
    x = 39,329.77

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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.