Home / 28,136,037.15-38,827,731.24-15,258,981.15

Finding the Fourth Proportional to 28,136,037.15, 38,827,731.24 and 15,258,981.15

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Solution

The fourth proportional to 28,136,037.15, 38,827,731.24 and 15,258,981.15 is: 21,057,393.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,136,037.15 : 38,827,731.24 = 15,258,981.15 : x
  2. Step 2: Convert to fraction form
    28,136,037.15/38,827,731.24 = 15,258,981.15/x
  3. Step 3: Cross multiply
    28,136,037.15x = 38,827,731.24 × 15,258,981.15
  4. Step 4: Simplify right side
    28,136,037.15x = 592,471,619,088,426.12
  5. Step 5: Solve for x
    x = 592,471,619,088,426.12/28,136,037.15
  6. Step 6: Final answer
    x = 21,057,393.97

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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.