Home / 29,332.08-40,478.32-15,903.28

Finding the Fourth Proportional to 29,332.08, 40,478.32 and 15,903.28

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Solution

The fourth proportional to 29,332.08, 40,478.32 and 15,903.28 is: 21,946.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,332.08 : 40,478.32 = 15,903.28 : x
  2. Step 2: Convert to fraction form
    29,332.08/40,478.32 = 15,903.28/x
  3. Step 3: Cross multiply
    29,332.08x = 40,478.32 × 15,903.28
  4. Step 4: Simplify right side
    29,332.08x = 643,738,056.89
  5. Step 5: Solve for x
    x = 643,738,056.89/29,332.08
  6. Step 6: Final answer
    x = 21,946.55

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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.